No problem, we've got 7100 and 4100 to multiply
7100 × 4100 = 4100 × (7100)
+ 4100 × 0 resulting in 0
+ 4100 × 00 which equals 0
+ 4100 × 100 yielding 410000
+ 4100 × 7000 that is equal 28700000

= 29110000
