Reduce the denominator of (3/4) by 2 times, keep the numerator unchanged, and the original fraction will be the same
把(3/4)的分母缩小2倍，分子不变，原来的分数就多少
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

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

<gadget id="calculator">(3/2) / (3/4)</gadget>
<output>2</output>

<result>2</result>