(1/12), (2/12), (3/12), (4/12), ..., (239/12) What is the sum of all fractions that are not integers in these 239 numbers.
(1/12)，(2/12)，(3/12)，(4/12)，…，(239/12)这239个数中所有不是整数的分数的和是多少．
<gadget id="calculator">120 * 239</gadget>
<output>28_680</output>

<gadget id="calculator">28_680 / 12</gadget>
<output>2_390</output>

<gadget id="calculator">1 + 19</gadget>
<output>20</output>

<gadget id="calculator">19 / 2</gadget>
<output>19/2 = around 9.5</output>

<gadget id="calculator">20 * (19/2)</gadget>
<output>190</output>

<gadget id="calculator">2_390 - 190</gadget>
<output>2_200</output>

<result>2_200</result>