No problem, we've got 87226287 and 64273194 to multiply
87226287 × 64273194 = 64273194 × (87226287)
+ 64273194 × 7 producing 449912358
+ 64273194 × 80 which equals 5141855520
+ 64273194 × 200 which equals 12854638800
+ 64273194 × 6000 what gives us 385639164000
+ 64273194 × 20000 producing 1285463880000
+ 64273194 × 200000 that equals 12854638800000
+ 64273194 × 7000000 producing 449912358000000
+ 64273194 × 80000000 yielding 5141855520000000

= 5606312066250678
