No problem, we've got 1851 and 1118 to multiply
1851 × 1118 = 1118 × (1851)
+ 1118 × 1 what gives us 1118
+ 1118 × 50 that results in 55900
+ 1118 × 800 that results in 894400
+ 1118 × 1000 yielding 1118000

= 2069418
