The big and small cars jointly transported 216 tons of goods, the small car took 7 hours, and the big car took 8 hours. It is known that the amount of goods transported by a small car in 5 hours is equal to the amount of goods transported by a large car in 2 hours, how many tons of goods are transported by a large car per hour?
大、小两辆汽车共同运216吨货物，小汽车运了7小时，大汽车运了8小时．已知小汽车5小时运的货物量等于大汽车2小时运的货物量，则大汽车每小时运多少吨货物？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * 7</gadget>
<output>14/5 = around 2.8</output>

<gadget id="calculator">(14/5) + 8</gadget>
<output>54/5 = around 10.8</output>

<gadget id="calculator">216 / (54/5)</gadget>
<output>20</output>

<result>20</result>