On the highway, a fast car travels 630 kilometers in 6 hours, and a slow car travels 24 kilometers less in the same time. How many kilometers per hour does the slow car travel on average?
高速公路上，一辆快车6小时行630千米，一辆慢车在相同的时间内少行了24千米，慢车平均每小时行多少千米？
<gadget id="calculator">630 - 24</gadget>
<output>606</output>

<gadget id="calculator">606 / 6</gadget>
<output>101</output>

<result>101</result>