The Xishuangbanna Circus performed in "Happy Valley", and the elephants lined up to enter the arena. The elephant's feet were more than the sum of their nose and tail. How many elephants are there in total?
西双版纳马戏团到"欢乐谷"演出，大象们列队进场，大象的脚比它们的鼻子和尾巴的总和还多10．场内共有多少只大象．
<gadget id="calculator">4 - 1 - 1</gadget>
<output>2</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>