How much (1/3) of 60 is equivalent to 80?
60的(1/3)相当于80的多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 80</gadget>
<output>1/240 = around 0.004167</output>

<gadget id="calculator">60 * (1/240)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>