(2/5) of the number A is equal to 32% of the number B, the number A is 80, what is the number B.
甲数的(2/5)等于乙数的32%，甲数是80，乙数是多少．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">32 / 100</gadget>
<output>8/25 = around 0.32</output>

<gadget id="calculator">(2/5) / (8/25)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">80 * (5/4)</gadget>
<output>100</output>

<result>100</result>