(3/4) of the number A is equal to 25% of the number B. Given that the number B is 120, what is the number A?
甲数的(3/4)等于乙数的25%，已知乙数是120，甲数是多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/4) / (3/4)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">120 * (1/3)</gadget>
<output>40</output>

<result>40</result>