No problem, we've got 86214612 and 80824431 to multiply
86214612 × 80824431 = 80824431 × (86214612)
+ 80824431 × 2 resulting in 161648862
+ 80824431 × 10 that equals 808244310
+ 80824431 × 600 what gives us 48494658600
+ 80824431 × 4000 that equals 323297724000
+ 80824431 × 10000 that is equal 808244310000
+ 80824431 × 200000 that is equal 16164886200000
+ 80824431 × 6000000 yielding 484946586000000
+ 80824431 × 80000000 yielding 6465954480000000

= 6968246958785772
