Alright, let's work through 8424206 times 55125690 step by step
8424206 × 55125690 = 55125690 × (8424206)
+ 55125690 × 6 yielding 330754140
+ 55125690 × 00 that results in 0
+ 55125690 × 200 yielding 11025138000
+ 55125690 × 4000 resulting in 220502760000
+ 55125690 × 20000 that equals 1102513800000
+ 55125690 × 400000 that equals 22050276000000
+ 55125690 × 8000000 that is equal 441005520000000

= 464390168452140
