A car drives from place A to place B. It travels an average of 38 kilometers per hour in the first 4 hours, and a total of 177.4 kilometers in the next 5 hours. How many kilometers per hour is the average travel?
汽车从甲地开往乙地，前4小时行平均每小时行38千米，后5小时共行了177.4千米，平均每小时行多少千米？
<gadget id="calculator">38 * 4</gadget>
<output>152</output>

<gadget id="calculator">152 + 177.4</gadget>
<output>329.4</output>

<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">329.4 / 9</gadget>
<output>36.6</output>

<result>36.6</result>