Alright, let's work through 64843457 times 61168500 step by step
64843457 × 61168500 = 61168500 × (64843457)
+ 61168500 × 7 that equals 428179500
+ 61168500 × 50 that is equal 3058425000
+ 61168500 × 400 giving us 24467400000
+ 61168500 × 3000 resulting in 183505500000
+ 61168500 × 40000 what gives us 2446740000000
+ 61168500 × 800000 what gives us 48934800000000
+ 61168500 × 4000000 yielding 244674000000000
+ 61168500 × 60000000 that equals 3670110000000000

= 3966376999504500
