No problem, we've got 7142 and 4340 to multiply
7142 × 4340 = 4340 × (7142)
+ 4340 × 2 what gives us 8680
+ 4340 × 40 yielding 173600
+ 4340 × 100 what gives us 434000
+ 4340 × 7000 yielding 30380000

= 30996280
