Calculation: Area = Length × Width = 12 m × 8 m = 96 m²
Calculation: 100% - 40% (dogs) = 60%
Calculation: 1 liter = 1000 milliliters, so 2 liters = 2 × 1000 = 2000 milliliters
Calculation: Volume = π × radius² × height = 3.14 × 4² × 10 = 3.14 × 16 × 10 = 502.4 cubic cm
Mary read 12 books, which is the highest number among the students listed.