A large truck travels 70 kilometers per hour and a small car travels 90 kilometers per hour. These two cars drive from place A and place B at the same time, and they meet on the way after 5 hours. How many kilometers are there between place A and place B?
一辆大货车每小时行70千米，一辆小汽车每小时行90千米．这两辆车分别同时从甲地和乙地相对开出，5小时后在途中相遇，甲地、乙地相距多少千米？
<gadget id="calculator">70 + 90</gadget>
<output>160</output>

<gadget id="calculator">160 * 5</gadget>
<output>800</output>

<result>800</result>