Alright, let's work through 40202773 times 47347117 step by step
40202773 × 47347117 = 47347117 × (40202773)
+ 47347117 × 3 what gives us 142041351
+ 47347117 × 70 giving us 3314298190
+ 47347117 × 700 which equals 33142981900
+ 47347117 × 2000 that results in 94694234000
+ 47347117 × 00000 that is equal 0
+ 47347117 × 200000 giving us 9469423400000
+ 47347117 × 0000000 giving us 0
+ 47347117 × 40000000 yielding 1893884680000000

= 1903485396955441
