Sure thing! We've got 213 and we're gonna multiply it by 6. That's the same as adding 213 to itself 6 times.
Step 1: 0 + 213 = 213
Step 2: 213 + 213 = 426
Step 3: 426 + 213 = 639
Step 4: 639 + 213 = 852
Step 5: 852 + 213 = 1065
Step 6: 1065 + 213 = 1278

So, 213*6 = 1278