No problem, we've got 4201 and 7124 to multiply
4201 × 7124 = 7124 × (4201)
+ 7124 × 1 which equals 7124
+ 7124 × 00 what gives us 0
+ 7124 × 200 resulting in 1424800
+ 7124 × 4000 yielding 28496000

= 29927924
