bus departs from station A with 54 people on board. When it arrives at station B, 18 people get off and 24 people get on the bus. How many people are in the car now?
一辆公共汽车从甲站出发，车上有54人，到了乙站有18人下车，24人上车．现在车上有多少人？
<gadget id="calculator">54 - 18</gadget>
<output>36</output>

<gadget id="calculator">36 + 24</gadget>
<output>60</output>

<result>60</result>