30% of the number A is 24, the number B is (5/8) of the number A, what is the number B?
甲数的30%是24，乙数是甲数的(5/8)，乙数是多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">24 / (3/10)</gadget>
<output>80</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">80 * (5/8)</gadget>
<output>50</output>

<result>50</result>