(3/5) of A's number is 18, and its 25% is 25 less than B's number. What is B's number?
甲数的(3/5)是18，它的25%比乙数少25，乙数是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">18 / (3/5)</gadget>
<output>30</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">30 * (1/4)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">(15/2) + 25</gadget>
<output>65/2 = around 32.5</output>

<result>65/2 = around 32.5</result>