One minute of rope skipping, the average number of Xiaoli's 2 jumps is 120 times, so that the average number of 3 jumps is 125 times, how many times should she jump for the third time.
一分钟跳绳，小丽2次跳的平均数是120下，要使3次跳的平均数是125下，她第3次应跳多少下．
<gadget id="calculator">125 * 3</gadget>
<output>375</output>

<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<gadget id="calculator">375 - 240</gadget>
<output>135</output>

<result>135</result>