No problem, we've got 1931 and 4825 to multiply
1931 × 4825 = 4825 × (1931)
+ 4825 × 1 what gives us 4825
+ 4825 × 30 that results in 144750
+ 4825 × 900 that equals 4342500
+ 4825 × 1000 resulting in 4825000

= 9317075
