3.14×2×2×1/3=?
3.14×28.26×1/3=?
3.14x2x2x1/3=12.56x1/3=314/25x1/3=314/75
3.14x28.26x1/3=3.14x(3.14x9)x1/3=3.14^2x3=29.5788