No problem, we've got 7155 and 5436 to multiply
7155 × 5436 = 5436 × (7155)
+ 5436 × 5 what gives us 27180
+ 5436 × 50 that equals 271800
+ 5436 × 100 resulting in 543600
+ 5436 × 7000 that equals 38052000

= 38894580
