When simplifying a fraction, 2 was used twice, 3 was used once, and 5 was used once. Get (1/2). What was the original score?
化简一个分数时，用2约了两次，用3约了一次，用5约了一次．得(1/2)．原来的分数是多少？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>