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# bcmul

(PHP 3, PHP 4, PHP 5)

bcmul -- Multiply two arbitrary precision number

## Description

string bcmul ( string left_operand, string right_operand [, int scale] )

Multiply the left_operand by the right_operand and returns the result. The optional scale sets the number of digits after the decimal place in the result.

## 例

例子 1. bcmul() example
`<?php echo bcmul(1.34747474747, 35, 3); // 47.162 echo bcmul(2, 4); // 8 ?>`

## 参见

bcdiv().

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