(19*90)+(19*9)*10 (36*5*10)+(37*15)
(72*14)+(72*10)*4 (909*15)-(909*10)
(38*12)-(38*8) (302*36)-(302*16)
(19*90)+(19*9)*10 (36*5*10)+(37*15)
(72*14)+(72*10)*4 (909*15)-(909*10)
(38*12)-(38*8) (302*36)-(302*16)