Two road repair teams work together to repair a 4,500-meter-long section of road in 5 days. B repairs 400 meters every day. How many meters does A team repair every day? What is the correct column
两个修路队5天合修4500米长的一段路，乙每天修400米，甲队每天修多少米？正确的列式是多少
<gadget id="calculator">4_500 / 5</gadget>
<output>900</output>

<gadget id="calculator">900 - 400</gadget>
<output>500</output>

<result>500</result>