No problem, we've got 87091088 and 72965093 to multiply
87091088 × 72965093 = 72965093 × (87091088)
+ 72965093 × 8 what gives us 583720744
+ 72965093 × 80 which equals 5837207440
+ 72965093 × 000 that is equal 0
+ 72965093 × 1000 giving us 72965093000
+ 72965093 × 90000 which equals 6566858370000
+ 72965093 × 000000 giving us 0
+ 72965093 × 7000000 producing 510755651000000
+ 72965093 × 80000000 which equals 5837207440000000

= 6354609335391184
