No problem, we've got 7381 and 4140 to multiply
7381 × 4140 = 4140 × (7381)
+ 4140 × 1 producing 4140
+ 4140 × 80 that is equal 331200
+ 4140 × 300 producing 1242000
+ 4140 × 7000 what gives us 28980000

= 30557340
