The weight of a pig is 0.28 tons, and the weight of an elephant is 11 times that of this pig. How many tons does this elephant weigh more than this pig? (answer in two ways)
一头猪的重量是0.28吨，一头大象的重量是这头猪的11倍．这头大象比这头猪重多少吨？(用两种方法解答)
<gadget id="calculator">0.28 * 11</gadget>
<output>3.08</output>

<gadget id="calculator">3.08 - 0.28</gadget>
<output>2.8</output>

<result>2.8</result>