30% of a number is exactly equal to (3/4) of 36. What is this number?
一个数的30%正好等于36的(3/4)，这个数是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/4) / (3/10)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">36 * (5/2)</gadget>
<output>90</output>

<result>90</result>