20% of number A is equal to (1/4) of number B, how much is number A equal to number B
甲数的20%与乙数的(1/4)相等，甲数是乙数的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/4) / (1/5) / 1</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 * (5/4)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>