Alright, let's work through 1070 times 4218 step by step
1070 × 4218 = 4218 × (1070)
+ 4218 × 0 giving us 0
+ 4218 × 70 what gives us 295260
+ 4218 × 000 yielding 0
+ 4218 × 1000 giving us 4218000

= 4513260
