No problem, we've got 42509930 and 63978744 to multiply
42509930 × 63978744 = 63978744 × (42509930)
+ 63978744 × 0 resulting in 0
+ 63978744 × 30 which equals 1919362320
+ 63978744 × 900 which equals 57580869600
+ 63978744 × 9000 that results in 575808696000
+ 63978744 × 00000 giving us 0
+ 63978744 × 500000 producing 31989372000000
+ 63978744 × 2000000 which equals 127957488000000
+ 63978744 × 40000000 that equals 2559149760000000

= 2719731928927920
