Basic Math Examples

28 \cdot 4

$28 \cdot 4$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

4

$4$ by

8

$8$ . Place the ones digit

(2)

$(2)$ in the result line and carry the tens digit

(3)

$(3)$ . There is one result line for each digit in

4

$4$ .

Step 1.2

Multiply

4

$4$ by

2

$2$ and add the carried

3

$3$ . Place the ones digit

(1)

$(1)$ in the result line and carry the tens digit

(1)

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

4

$4$ .

Step 1.3

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

2

$2$ , then place the

2

$2$ in the result line.

Step 1.4

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

1

$1$ , then place the

1

$1$ in the result line.

Step 1.5

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

1

$1$ , then place the

1

$1$ in the result line.

Step 2

The result of

28 \cdot 4

$28 \cdot 4$ is

112

$112$ .

112

$112$