No problem, we've got 99732340 and 47443379 to multiply
99732340 × 47443379 = 47443379 × (99732340)
+ 47443379 × 0 what gives us 0
+ 47443379 × 40 resulting in 1897735160
+ 47443379 × 300 what gives us 14233013700
+ 47443379 × 2000 giving us 94886758000
+ 47443379 × 30000 producing 1423301370000
+ 47443379 × 700000 which equals 33210365300000
+ 47443379 × 9000000 that equals 426990411000000
+ 47443379 × 90000000 what gives us 4269904110000000

= 4731639205176860
