There were 820 passengers on the train, 136 got off at Anxi Station, and 95 got on. How many people are in the car now?
火车上有乘客820人，安溪站下车136人，上车95人．现在车上有多少人？
<gadget id="calculator">820 - 136</gadget>
<output>684</output>

<gadget id="calculator">684 + 95</gadget>
<output>779</output>

<result>779</result>