Using 3 small cars transports 0.8 tons of watermelons less than 2 large cars, and each car transports 1.2 tons of watermelons on average. How many tons of watermelons are transported by each truck?
用3辆小汽车比2辆大汽车少运西瓜0.8吨，平均每辆小汽车运西瓜1.2吨．每辆大汽车运西瓜多少吨？
<gadget id="calculator">1.2 * 3</gadget>
<output>3.6</output>

<gadget id="calculator">3.6 + 0.8</gadget>
<output>4.4</output>

<gadget id="calculator">4.4 / 2</gadget>
<output>2.2</output>

<result>2.2</result>