There were 782 people doing exercise in the square on Sunday, 74 people came in halfway, and 82 people left at noon. How many people are there in the square now?
星期天广场上有782人在做运动操，中途又来了74人，中午时走了82人．现在广场上还有多少人？
<gadget id="calculator">74 - 82</gadget>
<output>-8</output>

<gadget id="calculator">782 + (-8)</gadget>
<output>774</output>

<result>774</result>