Divide a fraction to get (3/4). I used 2 to make an appointment once, and used 3 to make an appointment twice. What is the original number?
把一个分数约分后得(3/4)．约分时用2约了一次，用3约了2次，原数是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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