Alright, let's work through 5725836 times 65972915 step by step
5725836 × 65972915 = 65972915 × (5725836)
+ 65972915 × 6 that results in 395837490
+ 65972915 × 30 what gives us 1979187450
+ 65972915 × 800 producing 52778332000
+ 65972915 × 5000 resulting in 329864575000
+ 65972915 × 20000 producing 1319458300000
+ 65972915 × 700000 yielding 46181040500000
+ 65972915 × 5000000 resulting in 329864575000000

= 377750091731940
