The school needs to buy 520 chairs, which are transported 5 times by 4 tricycles. How many chairs are transported by each vehicle on average?
学校要买520把椅子，由4辆三轮车5次运完，平均每辆车每次运多少把？
<gadget id="calculator">520 / 5 / 4</gadget>
<output>26</output>

<result>26</result>