How much steam will a 150HP boiler make in 2.5 hours?

S = HP * 34.5 * T
                        S = HP * 34.5 * t
                        S = 150 * 34.5 * 2.5
                        S = 12937.50
Where,
                        S       steam
                        HP     horsepower
                        34.5  constant (lb/hr)        
                         t        Time (hr)