A coach travels on a level road for 2 hours at 53 kilometers per hour; then drives uphill for another 5 hours at 30 kilometers per hour; finally goes uphill at a speed of 40 kilometers per hour and travels 1 hour hour to reach the destination. How many kilometers per hour does the coach travel on average from departure to destination?
一辆旅游车在一段水平路上行驶2小时，每小时行53千米；然后行驶上坡路，又行5小时，每小时行30千米；最后以每小时40千米的速度上坡，又行1小时到达目的地．旅游车从出发到抵达目的地，平均每小时行多少千米？
<gadget id="calculator">53 * 2</gadget>
<output>106</output>

<gadget id="calculator">30 * 5</gadget>
<output>150</output>

<gadget id="calculator">40 * 1</gadget>
<output>40</output>

<gadget id="calculator">106 + 150 + 40</gadget>
<output>296</output>

<gadget id="calculator">2 + 5 + 1</gadget>
<output>8</output>

<gadget id="calculator">296 / 8</gadget>
<output>37</output>

<result>37</result>