No problem, we've got 25082871 and 85034158 to multiply
25082871 × 85034158 = 85034158 × (25082871)
+ 85034158 × 1 producing 85034158
+ 85034158 × 70 producing 5952391060
+ 85034158 × 800 that equals 68027326400
+ 85034158 × 2000 giving us 170068316000
+ 85034158 × 80000 that results in 6802732640000
+ 85034158 × 000000 that equals 0
+ 85034158 × 5000000 producing 425170790000000
+ 85034158 × 20000000 giving us 1700683160000000

= 2132900815707618
