Alright, let's work through 73030021 times 58099811 step by step
73030021 × 58099811 = 58099811 × (73030021)
+ 58099811 × 1 that equals 58099811
+ 58099811 × 20 that results in 1161996220
+ 58099811 × 000 that is equal 0
+ 58099811 × 0000 producing 0
+ 58099811 × 30000 that equals 1742994330000
+ 58099811 × 000000 which equals 0
+ 58099811 × 3000000 producing 174299433000000
+ 58099811 × 70000000 which equals 4066986770000000

= 4243030417426031
