OK, let's work through this together. We're starting with 291 and we're going to multiply it by 4, which means we add 291 to itself 4 times.
Step 1: 0 + 291 = 291
Step 2: 291 + 291 = 582
Step 3: 582 + 291 = 873
Step 4: 873 + 291 = 1164

So, 291*4 = 1164