No problem, we've got 84936486 and 78496518 to multiply
84936486 × 78496518 = 78496518 × (84936486)
+ 78496518 × 6 that equals 470979108
+ 78496518 × 80 that is equal 6279721440
+ 78496518 × 400 producing 31398607200
+ 78496518 × 6000 that equals 470979108000
+ 78496518 × 30000 producing 2354895540000
+ 78496518 × 900000 giving us 70646866200000
+ 78496518 × 4000000 what gives us 313986072000000
+ 78496518 × 80000000 producing 6279721440000000

= 6667218402155748
