623 teachers and students in the fourth grade of an experimental primary school went to visit the science and technology museum, and 203 people have already gone. How many buses are needed for every 35 people who take a bus? (Column comprehensive formula solution)
某实验小学四年级师生623人去参观科技馆，已经去了203人，剩下的每35人乘一辆客车需要多少辆客车？(列综合算式解答)
<gadget id="calculator">623 - 203</gadget>
<output>420</output>

<gadget id="calculator">420 / 35</gadget>
<output>12</output>

<result>12</result>