When simplifying a fraction, use 2, 3, and 5 to make an appointment, and get (3/5). What was the original score?
化简一个分数时，用2、3、5分别约了一次，得(3/5)．原来的分数是多少？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">3 * 30</gadget>
<output>90</output>

<gadget id="calculator">5 * 30</gadget>
<output>150</output>

<gadget id="calculator">90 / 150</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>