No problem, we've got 86985229 and 13009227 to multiply
86985229 × 13009227 = 13009227 × (86985229)
+ 13009227 × 9 what gives us 117083043
+ 13009227 × 20 resulting in 260184540
+ 13009227 × 200 producing 2601845400
+ 13009227 × 5000 giving us 65046135000
+ 13009227 × 80000 giving us 1040738160000
+ 13009227 × 900000 yielding 11708304300000
+ 13009227 × 6000000 which equals 78055362000000
+ 13009227 × 80000000 that is equal 1040738160000000

= 1131610589707983
