Alright, let's work through 71007940 times 19308289 step by step
71007940 × 19308289 = 19308289 × (71007940)
+ 19308289 × 0 what gives us 0
+ 19308289 × 40 resulting in 772331560
+ 19308289 × 900 which equals 17377460100
+ 19308289 × 7000 that results in 135158023000
+ 19308289 × 00000 giving us 0
+ 19308289 × 000000 which equals 0
+ 19308289 × 1000000 giving us 19308289000000
+ 19308289 × 70000000 that equals 1351580230000000

= 1371041826814660
