Multiply (1/3) of a certain number by (7/2) to get 42, find this number.
某数的(1/3)乘以(7/2)得42，求这个数．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">(1/3) * (7/2)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">42 / (7/6)</gadget>
<output>36</output>

<result>36</result>