No problem, we've got 4173 and 3260 to multiply
4173 × 3260 = 3260 × (4173)
+ 3260 × 3 resulting in 9780
+ 3260 × 70 which equals 228200
+ 3260 × 100 that equals 326000
+ 3260 × 4000 that results in 13040000

= 13603980
