No problem, we've got 80011734 and 83009161 to multiply
80011734 × 83009161 = 83009161 × (80011734)
+ 83009161 × 4 that equals 332036644
+ 83009161 × 30 giving us 2490274830
+ 83009161 × 700 that equals 58106412700
+ 83009161 × 1000 giving us 83009161000
+ 83009161 × 10000 that equals 830091610000
+ 83009161 × 000000 what gives us 0
+ 83009161 × 0000000 what gives us 0
+ 83009161 × 80000000 producing 6640732880000000

= 6641706909495174
