A car drives from city A to city B. It drives for 3 hours in the morning, 75 kilometers per hour, rests for 1 hour at noon, and drives for another 4 hours at the same speed in the afternoon to reach city B. The distance between cities A and B is much Far?
一辆汽车从A城开往B城，上午行驶3小时，每小时行驶75千米，中午休息了1小时，下午用同样的速度又行驶了4小时到达B城，A、B两城相距多远？
<gadget id="calculator">3 * 75</gadget>
<output>225</output>

<gadget id="calculator">4 * 75</gadget>
<output>300</output>

<gadget id="calculator">225 + 300</gadget>
<output>525</output>

<result>525</result>