A car travels 130 km in the first 2 hours and 220 km in the next 3 hours. How many kilometers per hour does the car travel on average?
一辆汽车前2小时行驶130千米，后3小时行驶220千米．这辆汽车平均每小时行驶多少千米？
<gadget id="calculator">130 + 220</gadget>
<output>350</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">350 / 5</gadget>
<output>70</output>

<result>70</result>