Alright, let's work through 29478639 times 90997297 step by step
29478639 × 90997297 = 90997297 × (29478639)
+ 90997297 × 9 yielding 818975673
+ 90997297 × 30 resulting in 2729918910
+ 90997297 × 600 what gives us 54598378200
+ 90997297 × 8000 what gives us 727978376000
+ 90997297 × 70000 which equals 6369810790000
+ 90997297 × 400000 giving us 36398918800000
+ 90997297 × 9000000 resulting in 818975673000000
+ 90997297 × 20000000 giving us 1819945940000000

= 2682476468238783
