A batch of coal was shipped from the cafeteria, and the average daily consumption was 68kg. After 5 days, there was still 10kg left. How many kilograms of coal was there in this truck?
食堂运来一批煤，平均每天用68kg，用了5天后还剩10kg，原来这车煤有多少kg？
<gadget id="calculator">68 * 5</gadget>
<output>340</output>

<gadget id="calculator">340 + 10</gadget>
<output>350</output>

<result>350</result>