There were originally 102 passengers in a carriage. After arriving at a certain station, 28 people went down and 36 people came up. How many passengers are there in this carriage now?
一节车厢里原有乘客102人，到某站后，下去28人后，又上来36人，现在这节车厢里共有乘客多少人．
<gadget id="calculator">102 - 28</gadget>
<output>74</output>

<gadget id="calculator">74 + 36</gadget>
<output>110</output>

<result>110</result>