No problem, we've got 7956399 and 2355927 to multiply
7956399 × 2355927 = 2355927 × (7956399)
+ 2355927 × 9 yielding 21203343
+ 2355927 × 90 that results in 212033430
+ 2355927 × 300 which equals 706778100
+ 2355927 × 6000 what gives us 14135562000
+ 2355927 × 50000 yielding 117796350000
+ 2355927 × 900000 giving us 2120334300000
+ 2355927 × 7000000 that equals 16491489000000

= 18744695226873
