Alright, let's work through 69121965 times 6804123 step by step
69121965 × 6804123 = 6804123 × (69121965)
+ 6804123 × 5 that results in 34020615
+ 6804123 × 60 which equals 408247380
+ 6804123 × 900 giving us 6123710700
+ 6804123 × 1000 yielding 6804123000
+ 6804123 × 20000 giving us 136082460000
+ 6804123 × 100000 producing 680412300000
+ 6804123 × 9000000 resulting in 61237107000000
+ 6804123 × 60000000 that equals 408247380000000

= 470314351861695
