The vegetable station shipped 1.2 tons of cucumbers, and 1.5 times as many potatoes as cucumbers. How many tons of potatoes and cucumbers are there in total?
菜站运来1.2吨黄瓜，运来的土豆是黄瓜的1.5倍，运来土豆和黄瓜一共多少吨？
<gadget id="calculator">1.2 * 1.5</gadget>
<output>1.8</output>

<gadget id="calculator">1.2 + 1.8</gadget>
<output>3</output>

<result>3</result>