(3/4) of a number is equal to (1/3) of 72, find this number.
一个数的(3/4)等于72的(1/3)，求这个数．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/3) / (3/4)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">72 * (4/9)</gadget>
<output>32</output>

<result>32</result>