When the equation Al (OH)3 H2SO4 Al2 (SO4)3 H2O is balanced the sum of the balancing coefficients is?

The balanced equation is: 2Al(OH)3 + 3H2SO4 -> Al2(SO4)3 + 6H2O. The sum of the balancing coefficients is 11 (2+3+1+1+6=11).