Alright, let's work through 64490748 times 32090910 step by step
64490748 × 32090910 = 32090910 × (64490748)
+ 32090910 × 8 resulting in 256727280
+ 32090910 × 40 yielding 1283636400
+ 32090910 × 700 yielding 22463637000
+ 32090910 × 0000 resulting in 0
+ 32090910 × 90000 giving us 2888181900000
+ 32090910 × 400000 what gives us 12836364000000
+ 32090910 × 4000000 what gives us 128363640000000
+ 32090910 × 60000000 that is equal 1925454600000000

= 2069566789900680
