Seven trucks transported 560 tons of coal. According to this calculation, how many tons of coal can be transported by adding 15 trucks? (Solve with a comprehensive formula).
7辆卡车运来560吨煤，照这样计算，再增加15辆卡车一共可以运煤多少吨？(用综合算式解答)．
<gadget id="calculator">560 / 7</gadget>
<output>80</output>

<gadget id="calculator">7 + 15</gadget>
<output>22</output>

<gadget id="calculator">80 * 22</gadget>
<output>1_760</output>

<result>1_760</result>