No problem, we've got 1157 and 3845 to multiply
1157 × 3845 = 3845 × (1157)
+ 3845 × 7 which equals 26915
+ 3845 × 50 what gives us 192250
+ 3845 × 100 that is equal 384500
+ 3845 × 1000 that equals 3845000

= 4448665
