Alright, let's work through 21468340 times 76507106 step by step
21468340 × 76507106 = 76507106 × (21468340)
+ 76507106 × 0 that is equal 0
+ 76507106 × 40 yielding 3060284240
+ 76507106 × 300 that is equal 22952131800
+ 76507106 × 8000 which equals 612056848000
+ 76507106 × 60000 producing 4590426360000
+ 76507106 × 400000 that equals 30602842400000
+ 76507106 × 1000000 yielding 76507106000000
+ 76507106 × 20000000 what gives us 1530142120000000

= 1642480564024040
