Basic Math Examples

30 \cdot 4

$30 \cdot 4$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

$4$ by

$0$ . Place the result in the next column in the result line. There is one result line for each digit in

$4$ .

Step 1.2

Multiply

$4$ by

$3$ . Place the ones digit

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

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

$4$ .

Step 1.3

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

$0$ , then place the

$0$ in the result line.

Step 1.4

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

$2$ , then place the

$2$ in the result line.

Step 1.5

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

$1$ , then place the

$1$ in the result line.

Step 2

The result of

$30 \cdot 4$ is

$120$ .

$120$