The weight of an elephant is 4.2 tons, and the weight of a whale is 35 times that of an elephant. How many tons does a whale weigh more than an elephant?
一头大象的体重是4.2吨，一头鲸的体重是一头大象的体重的35倍．一头鲸比一头大象重多少吨？
<gadget id="calculator">35 - 1</gadget>
<output>34</output>

<gadget id="calculator">4.2 * 34</gadget>
<output>142.8</output>

<result>142.8</result>