No problem, we've got 4312 and 1931 to multiply
4312 × 1931 = 1931 × (4312)
+ 1931 × 2 which equals 3862
+ 1931 × 10 giving us 19310
+ 1931 × 300 which equals 579300
+ 1931 × 4000 that equals 7724000

= 8326472
