An engineering team has been repairing a 7,500-meter-long road for 8 days, with an average of 240 meters per day. The remaining requirements are completed within 20 days. How many meters per day are the average repairs required?
某工程队修一条长7500米的公路，已经工作了8天，平均每天修240米，剩下的要求在20天内完成，平均每天要修多少米？
<gadget id="calculator">240 * 8</gadget>
<output>1_920</output>

<gadget id="calculator">7_500 - 1_920</gadget>
<output>5_580</output>

<gadget id="calculator">5_580 / 20</gadget>
<output>279</output>

<result>279</result>