For a fraction, the sum of its numerator and denominator is 80. When 26 is subtracted from both the numerator and the denominator, the simplified fraction is (1/3). What is the original fraction?
一个分数，它的分子与分母的和是80，当分子、分母同时减去26，得到最简分数是(1/3)，问原来的分数是多少．
<gadget id="calculator">26 * 2</gadget>
<output>52</output>

<gadget id="calculator">80 - 52</gadget>
<output>28</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">28 * (1/4)</gadget>
<output>7</output>

<gadget id="calculator">7 + 26</gadget>
<output>33</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">28 * (3/4)</gadget>
<output>21</output>

<gadget id="calculator">21 + 26</gadget>
<output>47</output>

<gadget id="calculator">33 / 47</gadget>
<output>33/47 = around 0.702128</output>

<result>33/47 = around 0.702128</result>