It takes 18 hours to travel by train from A to B, and it takes 15 hours less to travel by plane than by train. The plane travels 735 kilometers per hour. How many kilometers is the distance between A and B?
从甲地到乙地坐火车需18小时，坐飞机比坐火车少用15小时，飞机每小时行735千米，甲乙两地相距多少千米？
<gadget id="calculator">18 - 15</gadget>
<output>3</output>

<gadget id="calculator">735 * 3</gadget>
<output>2_205</output>

<result>2_205</result>