The product of multiplying two numbers is 18, if the product becomes 36, one of the factors remains unchanged, and the other factor is enlarged by a certain amount.
两个数相乘的积是18，如果积变为36，其中一个因数不变，另一个因数扩大多少．
<gadget id="calculator">36 / 18</gadget>
<output>2</output>

<result>2</result>