No problem, we've got 90534993 and 78012360 to multiply
90534993 × 78012360 = 78012360 × (90534993)
+ 78012360 × 3 that results in 234037080
+ 78012360 × 90 that results in 7021112400
+ 78012360 × 900 what gives us 70211124000
+ 78012360 × 4000 that equals 312049440000
+ 78012360 × 30000 that is equal 2340370800000
+ 78012360 × 500000 yielding 39006180000000
+ 78012360 × 0000000 that equals 0
+ 78012360 × 90000000 that results in 7021112400000000

= 7062848466513480
