No problem, we've got 3163 and 9781 to multiply
3163 × 9781 = 9781 × (3163)
+ 9781 × 3 which equals 29343
+ 9781 × 60 giving us 586860
+ 9781 × 100 resulting in 978100
+ 9781 × 3000 yielding 29343000

= 30937303
