Alright, let's work through 52103177 times 66104106 step by step
52103177 × 66104106 = 66104106 × (52103177)
+ 66104106 × 7 that is equal 462728742
+ 66104106 × 70 what gives us 4627287420
+ 66104106 × 100 that is equal 6610410600
+ 66104106 × 3000 resulting in 198312318000
+ 66104106 × 00000 that is equal 0
+ 66104106 × 100000 resulting in 6610410600000
+ 66104106 × 2000000 resulting in 132208212000000
+ 66104106 × 50000000 that is equal 3305205300000000

= 3444233935344762
