A whale weighs 2 tons more than 28 times that of an elephant. It is known that a whale weighs 142 tons, how many tons does an elephant weigh?
一条鲸鱼的重量比一只大象的28倍还多2吨．已知一条鲸鱼重142吨，一只大象重多少吨？
<gadget id="calculator">142 - 2</gadget>
<output>140</output>

<gadget id="calculator">140 / 28</gadget>
<output>5</output>

<result>5</result>