10% of number A is equal to (1/4) of number B. What percentage of number A is number B?
甲数的10%与乙数的(1/4)相等，甲数是乙数的百分之几？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/4) / (1/10)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>