If 3x^2=4y=12 what is the value of x^2y
\(3x^2=4y=12 \\ \\ 3x^2=12 \ \ \ |\div 3 \\ x^2=4 \\ \\ 4y=12 \ \ \ |\div 4 \\ y=3 \\ \\ x^2y=4 \times 3=12 \\ \boxed{x^2y=12}\)