The product of multiplying two numbers is 144. If the product becomes 288, one factor remains unchanged during the period, and the other factor must be expanded to the original number of times.
两个数相乘的积是144，如果积变为288，期中一个因数不变，另一个因数要扩大为原来的多少倍．
<gadget id="calculator">288 / 144</gadget>
<output>2</output>

<result>2</result>