There are 32 passengers in a car, and 9 people go down to the Post and Telecommunications Building Station. Another 13 people came up, how many passengers are there in the car at this time?
一辆汽车里有乘客32人，到邮电大楼站下去9人．又上来13人，这时车上有乘客多少人？
<gadget id="calculator">32 - 9</gadget>
<output>23</output>

<gadget id="calculator">23 + 13</gadget>
<output>36</output>

<result>36</result>