A number (5/6) is 75, what is this number?
一个数的(5/6)是75，这个数是多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">75 / (5/6)</gadget>
<output>90</output>

<result>90</result>