Ants, fruit flies, and even plants can also calculate but it does not follow that they are conscious of what they are doing.
Some test fish learned how to how to get food pellets but the difficulty, as so often, lies with interpretation.
Can you be bald in one universe and fully haired in another? Can you have two eyeballs in this universe and three in another? The answer is no.
What is the nature, and extent, of animal intelligence?