During the summer vacation, Liangliang's family traveled by car from city A to city B, covering 240 kilometers in 3 hours. According to this calculation, it takes another 5 hours to reach city B. How many kilometers is it from city A to city B?
暑假亮亮一家自驾游从A市开往B市，3小时行了240千米．照这样计算，再行5小时就到达B市，A市到B市有多少千米？
<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">80 * 8</gadget>
<output>640</output>

<result>640</result>