Alright, let's work through 4641948 times 74681021 step by step
4641948 × 74681021 = 74681021 × (4641948)
+ 74681021 × 8 that results in 597448168
+ 74681021 × 40 resulting in 2987240840
+ 74681021 × 900 that is equal 67212918900
+ 74681021 × 1000 resulting in 74681021000
+ 74681021 × 40000 that results in 2987240840000
+ 74681021 × 600000 producing 44808612600000
+ 74681021 × 4000000 giving us 298724084000000

= 346665416068908
