Alright, let's work through 47277842 times 64539129 step by step
47277842 × 64539129 = 64539129 × (47277842)
+ 64539129 × 2 that results in 129078258
+ 64539129 × 40 yielding 2581565160
+ 64539129 × 800 yielding 51631303200
+ 64539129 × 7000 giving us 451773903000
+ 64539129 × 70000 yielding 4517739030000
+ 64539129 × 200000 what gives us 12907825800000
+ 64539129 × 7000000 that equals 451773903000000
+ 64539129 × 40000000 that equals 2581565160000000

= 3051270743679618
