There is 1 tiger, 3 monkeys, and as many black bears as tigers in the circus. How many animals are there in the circus?
马戏团有1只老虎，3只猴子，黑熊和老虎一样多，问马戏团有几只动物？
<gadget id="calculator">1 + 3 + 1</gadget>
<output>5</output>

<result>5</result>