A number (3/5) is 12 more than 3.6, find this number.
一个数的(3/5)比3.6多12，求这个数．
<gadget id="calculator">12 - 3.6</gadget>
<output>8.4</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">8.4 / (3/5)</gadget>
<output>14</output>

<result>14</result>