There are 306 people on a tourist bus. After 118 people get off at the station, another 240 people get on. How many people are on the bus at this time?
一辆旅游车上有306人，到站下去118人后，又上来了240人，这时车上有多少人？
<gadget id="calculator">306 - 118</gadget>
<output>188</output>

<gadget id="calculator">188 + 240</gadget>
<output>428</output>

<result>428</result>