For a fraction in its simplest form, double the numerator and double the denominator equals 3. What is the simplest fraction.
一个最简分数，把分子扩大2倍，分母缩小2倍后等于3．这个最简分数多少．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

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

<result>3/4 = around 0.75</result>