2.5 times of a number is 10, how much is 8 times of this number.
一个数的2.5倍是10，这个数的8倍是多少．
<gadget id="calculator">10 / 2.5</gadget>
<output>4</output>

<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<result>32</result>