3991/2*73+6/25*730+153.3
=(3991/2)*73+(6/25)*730+(73*21)/10
=(3991/2)*73+(12/5)*73+(21/10)*73
=73*(3991/2+12/5+21/10)
=73*[(19955+24+21)/10]
=73*(20000/10)
=146000
3991/2*73+6/25*730+153.3
=(3991/2)*73+(6/25)*730+(73*21)/10
=(3991/2)*73+(12/5)*73+(21/10)*73
=73*(3991/2+12/5+21/10)
=73*[(19955+24+21)/10]
=73*(20000/10)
=146000