几乘几用英语怎么表达

　　6 multiplied by 2 equals 12.

　　6乘以2等于12。

　　The fraction was then multiplied by 100 and rounded to the nearest half or whole number

　　然后，分数被乘以100，取整为最接近的半数或整数。

　　Five times three is fifteen.; 5 multiplied by 3 is 15.

　　5乘3等于15。

　　A negative number multiplied by another negative number makes the product positive.

　　负乘负得正。

　　Three multiplied by four makes twelve.

　　3乘以4得12。