No problem, we've got 7971 and 1266 to multiply
7971 × 1266 = 1266 × (7971)
+ 1266 × 1 what gives us 1266
+ 1266 × 70 yielding 88620
+ 1266 × 900 that equals 1139400
+ 1266 × 7000 giving us 8862000

= 10091286
