No problem, we've got 1971 and 7834 to multiply
1971 × 7834 = 7834 × (1971)
+ 7834 × 1 giving us 7834
+ 7834 × 70 giving us 548380
+ 7834 × 900 that equals 7050600
+ 7834 × 1000 what gives us 7834000

= 15440814
