The number 20 more than how much (1/4) is 140.
比多少的(1/4)多20的数是140．
<gadget id="calculator">140 - 20</gadget>
<output>120</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">120 / (1/4)</gadget>
<output>480</output>

<result>480</result>