No problem, we've got 2511 and 1012 to multiply
2511 × 1012 = 1012 × (2511)
+ 1012 × 1 what gives us 1012
+ 1012 × 10 giving us 10120
+ 1012 × 500 giving us 506000
+ 1012 × 2000 giving us 2024000

= 2541132
