Alright, let's work through 99709037 times 71197047 step by step
99709037 × 71197047 = 71197047 × (99709037)
+ 71197047 × 7 that results in 498379329
+ 71197047 × 30 that results in 2135911410
+ 71197047 × 000 producing 0
+ 71197047 × 9000 yielding 640773423000
+ 71197047 × 00000 that results in 0
+ 71197047 × 700000 resulting in 49837932900000
+ 71197047 × 9000000 which equals 640773423000000
+ 71197047 × 90000000 which equals 6407734230000000

= 7098988993613739
