We're going to solve 2490 multiplied by 2542
2490 × 2542 = 2542 × (2490)
+ 2542 × 0 what gives us 0
+ 2542 × 90 giving us 228780
+ 2542 × 400 yielding 1016800
+ 2542 × 2000 that equals 5084000

= 6329580
