(1/4) of number A is (2/5) of number B. If number A is 120, what is the number of B?
甲数的(1/4)是乙数的(2/5)，如果甲数是120，那么乙数是多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/4) / (2/5)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">120 * (5/8)</gadget>
<output>75</output>

<result>75</result>