It is known that the speed of the car on the road is 80 km/h, and the speed on the grassland is 50 km/h. When a car starts driving, it travels on the road for 3 hours, and then walks on the grassland for 2 hours. ． Finally arrived at the destination, how far is the destination from the starting point?
已知汽车在公路上的速度是80千米/时，在草原上的速度是50千米/时，一辆汽车出发在行驶过程中，走了3小时公路，又在草原上走了2小时．终于到达目的地，目的地距离起点有多远？
<gadget id="calculator">80 * 3</gadget>
<output>240</output>

<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">240 + 100</gadget>
<output>340</output>

<result>340</result>