Basic Math Examples

18 \cdot 12

$18 \cdot 12$

Step 1

Multiply using long multiplication.

Tap for more steps...

Step 1.1

Multiply

2

$2$ by

8

$8$ . Place the ones digit

(6)

$(6)$ in the result line and carry the tens digit

(1)

$(1)$ . There is one result line for each digit in

12

$12$ .

	$1$ $1$
	$1$ $1$	$8$ $8$
$\times$ $⨯$	$1$ $1$	$2$ $2$
		$6$ $6$

Step 1.2

Multiply

2

$2$ by

1

$1$ and add the carried

1

$1$ . Place the result in the next column in the result line. There is one result line for each digit in

12

$12$ .


	$1$ $1$	$8$ $8$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$3$ $3$	$6$ $6$

Step 1.3

Multiply

1

$1$ by

8

$8$ . Place the result in the next column in the result line. There is one result line for each digit in

12

$12$ .


	$1$ $1$	$8$ $8$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$3$ $3$	$6$ $6$
	$8$ $8$

Step 1.4

Multiply

1

$1$ by

1

$1$ . Place the result in the next column in the result line. There is one result line for each digit in

12

$12$ .


	$1$ $1$	$8$ $8$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$3$ $3$	$6$ $6$
$1$ $1$	$8$ $8$

Step 1.5

Add the numbers in each column. In this case, add

6 + 0

$6 + 0$ , then place the

6

$6$ in the result line.


	$1$ $1$	$8$ $8$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$3$ $3$	$6$ $6$
$1$ $1$	$8$ $8$
		$6$ $6$

Step 1.6

Add the numbers in each column. In this case, add

3 + 8

$3 + 8$ , then place the

1

$1$ in the result line and carry the

1

$1$ .


	$1$ $1$	$8$ $8$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$3$ $3$	$6$ $6$
$1$	$8$
	$1$	$6$

Step 1.7

Add the numbers in each column. In this case, add

$0 + 1 + 1$ , then place the

$2$ in the result line.


	$1$	$8$
$⨯$	$1$	$2$
	$3$	$6$
$1$	$8$
$2$	$1$	$6$


	$1$	$8$
$⨯$	$1$	$2$
	$3$	$6$
$1$	$8$
$2$	$1$	$6$

Step 2

The result of

$18 \cdot 12$ is

$216$ .

$216$