Alright, let's work through 39896974 times 2617989 step by step
39896974 × 2617989 = 2617989 × (39896974)
+ 2617989 × 4 that results in 10471956
+ 2617989 × 70 resulting in 183259230
+ 2617989 × 900 which equals 2356190100
+ 2617989 × 6000 that is equal 15707934000
+ 2617989 × 90000 yielding 235619010000
+ 2617989 × 800000 yielding 2094391200000
+ 2617989 × 9000000 giving us 23561901000000
+ 2617989 × 30000000 giving us 78539670000000

= 104449839065286
