We're going to solve 66721016 multiplied by 21202023
66721016 × 21202023 = 21202023 × (66721016)
+ 21202023 × 6 producing 127212138
+ 21202023 × 10 what gives us 212020230
+ 21202023 × 000 which equals 0
+ 21202023 × 1000 giving us 21202023000
+ 21202023 × 20000 resulting in 424040460000
+ 21202023 × 700000 producing 14841416100000
+ 21202023 × 6000000 producing 127212138000000
+ 21202023 × 60000000 which equals 1272121380000000

= 1414620515815368
