Alright, let's work through 81997404 times 30165059 step by step
81997404 × 30165059 = 30165059 × (81997404)
+ 30165059 × 4 yielding 120660236
+ 30165059 × 00 which equals 0
+ 30165059 × 400 that equals 12066023600
+ 30165059 × 7000 that equals 211155413000
+ 30165059 × 90000 producing 2714855310000
+ 30165059 × 900000 yielding 27148553100000
+ 30165059 × 1000000 that is equal 30165059000000
+ 30165059 × 80000000 that results in 2413204720000000

= 2473456529506836
