The sum of the numerator and the denominator of a simplest true fraction is 32, and the difference between the denominator and the numerator is 18. What is the original fraction?
一个最简真分数它的分子与分母的和是32，分母与分子的差是18，原来这个分数是多少？
<gadget id="calculator">32 + 18</gadget>
<output>50</output>

<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">25 - 18</gadget>
<output>7</output>

<gadget id="calculator">7 / 25</gadget>
<output>7/25 = around 0.28</output>

<result>7/25 = around 0.28</result>