20% of the number A is equal to (1/3) of the number B, and the number B is the number of A.
甲数的20%与乙数的(1/3)相等，乙数是甲数的多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">0.2 / (1/3)</gadget>
<output>0.6</output>

<result>0.6</result>