A road is 750 meters long. The road repair team will repair 100 meters every day for the first 3 days. The rest of the road will also be repaired in 3 days. How many meters will be repaired on average every day for the next 3 days?
一条公路长750米，修路队前3天每天修100米，剩下的路段也计划3天修完，后3天平均每天要修多少米？
<gadget id="calculator">100 * 3</gadget>
<output>300</output>

<gadget id="calculator">750 - 300</gadget>
<output>450</output>

<gadget id="calculator">450 / 3</gadget>
<output>150</output>

<result>150</result>