A tour group travels, and the average fare per person is 40 yuan. Later, 8 more people were added, so that the fare payable by each person is 35 yuan, so how much is the car rental fee?
一个旅游团出游，平均每人应付车费40元．后来又增加了8人，这样每人应付的车费是35元，则租车费是多少元．
<gadget id="calculator">40 - 35</gadget>
<output>5</output>

<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">35 * (8/5)</gadget>
<output>56</output>

<gadget id="calculator">56 * 40</gadget>
<output>2_240</output>

<result>2_240</result>