The road repair team rushed to repair a 3,600-meter-long road. It has been repaired for 20 days, 120 meters per day, and the rest will be completed within 5 days. How much more meters will be repaired per day than before?
修路队抢修一条长3600米的公路，已经修了20天，每天修120米，剩下的要在5天内修完，平均每天要比原来多修多少米？
<gadget id="calculator">120 * 20</gadget>
<output>2_400</output>

<gadget id="calculator">3_600 - 2_400</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 5</gadget>
<output>240</output>

<gadget id="calculator">240 - 120</gadget>
<output>120</output>

<result>120</result>