No problem, we've got 87918359 and 91010448 to multiply
87918359 × 91010448 = 91010448 × (87918359)
+ 91010448 × 9 yielding 819094032
+ 91010448 × 50 that results in 4550522400
+ 91010448 × 300 producing 27303134400
+ 91010448 × 8000 producing 728083584000
+ 91010448 × 10000 resulting in 910104480000
+ 91010448 × 900000 which equals 81909403200000
+ 91010448 × 7000000 that equals 637073136000000
+ 91010448 × 80000000 that results in 7280835840000000

= 8001489240014832
