Alright, let's work through 66029794 times 88398380 step by step
66029794 × 88398380 = 88398380 × (66029794)
+ 88398380 × 4 resulting in 353593520
+ 88398380 × 90 resulting in 7955854200
+ 88398380 × 700 yielding 61878866000
+ 88398380 × 9000 resulting in 795585420000
+ 88398380 × 20000 giving us 1767967600000
+ 88398380 × 000000 which equals 0
+ 88398380 × 6000000 yielding 530390280000000
+ 88398380 × 60000000 that results in 5303902800000000

= 5836926821333720
