Naughty to do a math problem, should have multiplied by 4, but he did it carelessly and divided by 4. So how many times the result he deserves is what he is getting now?
淘气做一道数学题，本该乘4，但他粗心地做成了除以4．那么他应得的结果是他现在所得结果的多少倍？
<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<result>16</result>