The product of two factors is 100, one of the factors is multiplied by 2 and the other factor remains the same, how many times the product is multiplied
两个因数的积是100，其中一个因数扩大2倍，另一个因数不变，那么积扩大多少倍
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">50 * (1/25)</gadget>
<output>2</output>

<result>2</result>