(9/10) of a number is 36, what is this number?
一个数的(9/10)是36，这个数是多少？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">36 / (9/10)</gadget>
<output>40</output>

<result>40</result>