No problem, we've got 40877204 and 40201523 to multiply
40877204 × 40201523 = 40201523 × (40877204)
+ 40201523 × 4 yielding 160806092
+ 40201523 × 00 resulting in 0
+ 40201523 × 200 which equals 8040304600
+ 40201523 × 7000 that results in 281410661000
+ 40201523 × 70000 giving us 2814106610000
+ 40201523 × 800000 yielding 32161218400000
+ 40201523 × 0000000 producing 0
+ 40201523 × 40000000 that equals 1608060920000000

= 1643325856781692
