No problem, we've got 3663 and 3171 to multiply
3663 × 3171 = 3171 × (3663)
+ 3171 × 3 giving us 9513
+ 3171 × 60 what gives us 190260
+ 3171 × 600 which equals 1902600
+ 3171 × 3000 that results in 9513000

= 11615373
