The answer is 2×1+7×0.1+6×0.01.
The digit to the left is 2 in the ones column. You multiply 2 by 1.
The digit in the middle is 7 in the tenths column. You multiply 7 by 0.1.
The digit to the right is 6 in the hundredths column. You multiply 6 by 0.01.
When adding this all up, you get 2.76.
