(5/8) of a number is 15, what is this number?
一个数的(5/8)是15，这个数是多少．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">15 / (5/8)</gadget>
<output>24</output>

<result>24</result>