A car travels 50 kilometers per hour, and it takes 18 hours to drive from city A to city B. The distance from city A to city B.
一辆汽车每小时行驶50千米，从甲城到乙城行驶了18小时，从甲城到乙城的路程．
<gadget id="calculator">50 * 18</gadget>
<output>900</output>

<result>900</result>