The distance between A and B is 25 kilometers. If you walk 15 kilometers in 3 hours, at this speed, how many hours will it take to complete the distance?
甲、乙两地相距25千米，如果3小时走15千米，照这样的速度，走完这段路还要多少小时？
<gadget id="calculator">25 - 15</gadget>
<output>10</output>

<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<result>2</result>