When two numbers are multiplied, one factor is multiplied by 12 times. To make the product multiplied by three times, how should the other factor be changed? How many.
两数相乘，一个因数扩大12倍，要使积扩大3倍，另一个因数应怎样变化？多少．
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<result>4</result>