(9/10) of a number is (3/4), what is this number?
一个数的(9/10)是(3/4)，这个数是多少？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(3/4) / (9/10)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>