polar bear weighs about 0.75 tons, a walrus is 0.48 tons heavier than a polar bear, and 0.12 tons lighter than a beluga whale, so how many tons does a beluga whale weigh?
一只北极熊约重0.75吨，一只海象比一只北极熊重0.48吨，比一条白鲸轻0.12吨，那么一条白鲸重多少吨？
<gadget id="calculator">1.33 + 0.12</gadget>
<output>1.45</output>

<result>1.45</result>