There were originally 37 people in the car, but 19 people got off at Xiaozhuang Station, and 8 people got up at Xincun Station. How many people are in the car now?
汽车原来有37人，到小庄站下去19人，到新村站又上来8人．现在车上有多少人？
<gadget id="calculator">37 - 19</gadget>
<output>18</output>

<gadget id="calculator">18 + 8</gadget>
<output>26</output>

<result>26</result>