The students go to the spring outing. If each car takes 28 people, 6 people will not get on the car. If each car takes 30 people, then one car can be used less. How many students are there in this spring outing?
同学们去春游，若每辆车坐28人，则6人没上车，若每辆车坐30人，则可少用1辆车，这次春游的学生有多少人．
<gadget id="calculator">6 + 30</gadget>
<output>36</output>

<gadget id="calculator">30 - 28</gadget>
<output>2</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">18 * 28</gadget>
<output>504</output>

<gadget id="calculator">504 + 6</gadget>
<output>510</output>

<result>510</result>