For a fraction, divide the numerator and denominator by the same number at the same time to get (5/23), the original sum of numerator and denominator is 84. What was the original score?
一个分数，分子、分母同时除以相同的数得(5/23)，原来分子与分母的和是84．原来的分数是多少？
<gadget id="calculator">5 + 23</gadget>
<output>28</output>

<gadget id="calculator">84 / 28</gadget>
<output>3</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">23 * 3</gadget>
<output>69</output>

<gadget id="calculator">15 / 69</gadget>
<output>5/23 = around 0.217391</output>

<result>5/23 = around 0.217391</result>