To find out how many calories are in 2 bananas, we first need to know that one banana contains approximately 81 calories. Now, we can calculate the total calories in 2 bananas by multiplying the calories in one banana by 2.
Here's how the calculation looks:
1 banana = 81 calories
2 bananas = 81 calories/banana * 2 = 162 calories
Therefore, there are approximately 162 calories in 2 bananas.