A car drives from point A to point B. It travels 60 kilometers per hour for the first 2 hours and 70 kilometers per hour for the next 3 hours. How many kilometers does this car travel per hour on average?
一辆汽车从A地开往B地，前2小时每小时行驶60千米，后3小时每小时行驶70千米，这辆汽车平均每小时行驶多少千米．
<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">70 * 3</gadget>
<output>210</output>

<gadget id="calculator">120 + 210</gadget>
<output>330</output>

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

<gadget id="calculator">330 / 5</gadget>
<output>66</output>

<result>66</result>