No problem, we've got 4100 and 801 to multiply
4100 × 801 = 801 × (4100)
+ 801 × 0 which equals 0
+ 801 × 00 what gives us 0
+ 801 × 100 that is equal 80100
+ 801 × 4000 that is equal 3204000

= 3284100
