Alright, let's work through 73873087 times 28303348 step by step
73873087 × 28303348 = 28303348 × (73873087)
+ 28303348 × 7 that results in 198123436
+ 28303348 × 80 what gives us 2264267840
+ 28303348 × 000 giving us 0
+ 28303348 × 3000 resulting in 84910044000
+ 28303348 × 70000 that results in 1981234360000
+ 28303348 × 800000 giving us 22642678400000
+ 28303348 × 3000000 resulting in 84910044000000
+ 28303348 × 70000000 giving us 1981234360000000

= 2090855689195276
