2.04*0.25*7.2*12.5=0.51*(4*0.25)*9*(0.8*12.5)=0.51*1*9*10=45.9
2.04*0.25*7.2*12.5=4*0.51*0.25*0.9*8*12.5=0.51*0.9*100=45.9
2.04*0.25*7.2*12.5=2.04*0.25*4*1.8*12.5=2.04*0.9*25=10.2*0.9*5=51*0.9=45.9