Alright, let's work through 99198278 times 62767859 step by step
99198278 × 62767859 = 62767859 × (99198278)
+ 62767859 × 8 yielding 502142872
+ 62767859 × 70 yielding 4393750130
+ 62767859 × 200 yielding 12553571800
+ 62767859 × 8000 yielding 502142872000
+ 62767859 × 90000 that equals 5649107310000
+ 62767859 × 100000 which equals 6276785900000
+ 62767859 × 9000000 giving us 564910731000000
+ 62767859 × 90000000 that results in 5649107310000000

= 6226463526546802
