No problem, we've got 87003014 and 81808001 to multiply
87003014 × 81808001 = 81808001 × (87003014)
+ 81808001 × 4 yielding 327232004
+ 81808001 × 10 that results in 818080010
+ 81808001 × 000 yielding 0
+ 81808001 × 3000 giving us 245424003000
+ 81808001 × 00000 that equals 0
+ 81808001 × 000000 producing 0
+ 81808001 × 7000000 producing 572656007000000
+ 81808001 × 80000000 yielding 6544640080000000

= 7117542656315014
