A number (1/12) is 4 times 2.5, what is this number?
一个数的(1/12)是2.5的4倍，这个数是多少．
<gadget id="calculator">2.5 * 4</gadget>
<output>10</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">10 / (1/12)</gadget>
<output>120</output>

<result>120</result>