(10/50) in the sequence (1/1), (1/2), (2/2), (1/3), (2/3), (3/3), (1/4), ( 2/4), (3/4)… What is the number in the ranking?
(10/50)在数列(1/1)，(1/2)，(2/2)，(1/3)，(2/3)，(3/3)，(1/4)，(2/4)，(3/4)…中排在第多少位．
<gadget id="calculator">49 + 1</gadget>
<output>50</output>

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

<gadget id="calculator">49 * 25</gadget>
<output>1_225</output>

<gadget id="calculator">1_225 + 10</gadget>
<output>1_235</output>

<result>1_235</result>