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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 (by truncating).

## �d��

範例 1. bcmul() example
`<?php echo bcmul('1.34747474747', '35', 3); // 47.161 echo bcmul('2', '4'); // 8 ?>`

## �Ѧ�

bcdiv().

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