No problem, we've got 7451475 and 21067102 to multiply
7451475 × 21067102 = 21067102 × (7451475)
+ 21067102 × 5 giving us 105335510
+ 21067102 × 70 what gives us 1474697140
+ 21067102 × 400 that equals 8426840800
+ 21067102 × 1000 yielding 21067102000
+ 21067102 × 50000 which equals 1053355100000
+ 21067102 × 400000 producing 8426840800000
+ 21067102 × 7000000 that equals 147469714000000

= 156980983875450
