No problem, we've got 18013894 and 85336214 to multiply
18013894 × 85336214 = 85336214 × (18013894)
+ 85336214 × 4 producing 341344856
+ 85336214 × 90 that results in 7680259260
+ 85336214 × 800 resulting in 68268971200
+ 85336214 × 3000 giving us 256008642000
+ 85336214 × 10000 resulting in 853362140000
+ 85336214 × 000000 what gives us 0
+ 85336214 × 8000000 yielding 682689712000000
+ 85336214 × 10000000 resulting in 853362140000000

= 1537237513357316
