The distance from place A to place B is 500 kilometers. If a car drives from place A to place B at a speed of a kilometer per hour, how many kilometers will it be to the destination after 5 hours?
甲地到乙地的路程为500千米，一辆汽车以每小时a千米的速度从甲地开往乙地，5小时后离目的地还有多少千米．
<gadget id="calculator">100 - 5</gadget>
<output>95</output>

<result>95</result>