A train travels 403.2 kilometers in 3 hours, how many kilometers per hour does the train travel on average?
一列火车3小时行驶403.2千米，这列火车平均每小时行驶多少千米？
<gadget id="calculator">403.2 / 3</gadget>
<output>134.4</output>

<result>134.4</result>