(7/8) of a number is 28, what is this number?
一个数的(7/8)是28，这个数是多少．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">28 / (7/8)</gadget>
<output>32</output>

<result>32</result>