(3/4) of the number A is equal to (3/5) of the number B. Given that the number B is 65, what is the number A?
甲数的(3/4)等于乙数的(3/5)，已知乙数是65，则甲数是多少．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) / (3/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">65 * (4/5)</gadget>
<output>52</output>

<result>52</result>