There are three new animals in the zoo, and they compare their weight together. The little monkey said: "I am 12 kg lighter than the bear", and the deer said: "The bear is 1 kg heavier than me". Children, do you know who is heavier, a monkey or a deer? How much does it weigh?
动物园新来了三只小动物，它们在一起比轻重，小猴子说："我比小熊轻12千克"，小鹿说："小熊比我重1千克"．小朋友们，你们知道小猴和小鹿谁重？重多少？
<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<result>11</result>