The passenger car is limited to 18 people, and the bus is limited to 40 people. If there are 10 cars in each of the two kinds of cars, just enough for all the students in the school to sit, how many students are there in this school?
小客车限乘18人，大客车限乘40人，如果两种车各开来10辆，刚好让学校同学全部坐下，那么这个学校共有多少学生？
<gadget id="calculator">18 * 10</gadget>
<output>180</output>

<gadget id="calculator">40 * 10</gadget>
<output>400</output>

<gadget id="calculator">180 + 400</gadget>
<output>580</output>

<result>580</result>