No problem, we've got 7997 and 4378 to multiply
7997 × 4378 = 4378 × (7997)
+ 4378 × 7 that results in 30646
+ 4378 × 90 what gives us 394020
+ 4378 × 900 resulting in 3940200
+ 4378 × 7000 producing 30646000

= 35010866
