No problem, we've got 86389452 and 80065082 to multiply
86389452 × 80065082 = 80065082 × (86389452)
+ 80065082 × 2 yielding 160130164
+ 80065082 × 50 producing 4003254100
+ 80065082 × 400 resulting in 32026032800
+ 80065082 × 9000 that equals 720585738000
+ 80065082 × 80000 giving us 6405206560000
+ 80065082 × 300000 yielding 24019524600000
+ 80065082 × 6000000 that results in 480390492000000
+ 80065082 × 80000000 yielding 6405206560000000

= 6916778558315064
