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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.

示範 1.bcmul() example

`<?php echo bcmul(1.34747474747, 35, 3) . "\n"; echo bcmul(2, 4); ?>`

The above example will output:

    47.162
    8

See also bcdiv().

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