A car travels 56 kilometers per hour and arrives at the destination at 4.6 hours. If it is to arrive at 0.6 hours earlier, how many kilometers per hour should it travel?
一辆车每时行56千米，4.6时到达目的地，如果要提前0.6时到达，每时要行多少千米？
<gadget id="calculator">4.6 - 0.6</gadget>
<output>4</output>

<gadget id="calculator">4.6 / 4</gadget>
<output>1.15</output>

<gadget id="calculator">56 * 1.15</gadget>
<output>64.4</output>

<result>64.4</result>