Divide a fraction, use 2 twice, use 3 once, get (5/6). Then what is the original score.
把一个分数约分，用2约了两次，用3约了一次，得(5/6)．则原来这个分数是多少．
<gadget id="calculator">5 * 2 * 2 * 3</gadget>
<output>60</output>

<gadget id="calculator">6 * 2 * 2 * 3</gadget>
<output>72</output>

<gadget id="calculator">60 / 72</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>