For a fraction, the numerator is quadrupled and the denominator is tripled. The result is (5/8). What is the original fraction?
一个分数，分子扩大到原来的四倍，分母扩大到原来的三倍，此时结果是(5/8)，问原来分数是多少？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">(5/4) / (8/3)</gadget>
<output>15/32 = around 0.46875</output>

<result>15/32 = around 0.46875</result>