WolframAlpha computational knowledge AI
(0.25)^5*(0.5)^1*(0.25)^3*(9!/(5!*1!*3!))+(0.25)^4*(0.5)^3*(0.25)^2*(9!/(4!*3!*2!))+(0.25)^3*(0.5)^5*(0.25)^1*(9!/(3!*5!*1!))+(0.25)^2*(0.5)^7*(0.25)^0*(9!/(2!*7!*0!))