A fraction whose denominator is 15 greater than the numerator is equal to one-third, what is the fraction?
一个分数，分母比分子大15，它与三分之一相等，这个分数是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 15</gadget>
<output>5</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 / (2/3)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">(15/2) + 15</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">(15/2) / (45/2)</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>