Asian elephants are the largest animals on land, and an adult Asian elephant can weigh up to 7 tons. The blue whale is the largest animal in the world. The weight of an adult blue whale is about 3 tons less than 24 times the weight of an elephant. How many tons does a blue whale weigh?
亚洲象是陆地上最大的动物，一头成年亚洲象体重可达7吨．蓝鲸是世界上最大的动物，一头成年蓝鲸体重大约比一头大象重量的24倍少3吨．一头蓝鲸重多少吨？
<gadget id="calculator">24 * 7</gadget>
<output>168</output>

<gadget id="calculator">168 - 3</gadget>
<output>165</output>

<result>165</result>