The sum of the numerator and denominator of a fraction before division is 32, and after division is (3/5), what is the original fraction?
一个分数约分前分子、分母的和是32，约分后是(3/5)，原来的分数是多少．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">32 * (5/8)</gadget>
<output>20</output>

<gadget id="calculator">(3/8) / 20</gadget>
<output>3/160 = around 0.01875</output>

<gadget id="calculator">32 * (3/160)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>