No problem, we've got 6521 and 4037 to multiply
6521 × 4037 = 4037 × (6521)
+ 4037 × 1 that results in 4037
+ 4037 × 20 giving us 80740
+ 4037 × 500 yielding 2018500
+ 4037 × 6000 that results in 24222000

= 26325277
