No problem, we've got 10055301 and 80321809 to multiply
10055301 × 80321809 = 80321809 × (10055301)
+ 80321809 × 1 resulting in 80321809
+ 80321809 × 00 producing 0
+ 80321809 × 300 yielding 24096542700
+ 80321809 × 5000 producing 401609045000
+ 80321809 × 50000 that is equal 4016090450000
+ 80321809 × 000000 what gives us 0
+ 80321809 × 0000000 that equals 0
+ 80321809 × 10000000 that is equal 803218090000000

= 807659966359509
