Let's get this math done. We have 745 and we're going to multiply it by 5. This is the same as taking 745 and adding it to itself 5 times.
Step 1: 0 + 745 = 745
Step 2: 745 + 745 = 1490
Step 3: 1490 + 745 = 2235
Step 4: 2235 + 745 = 2980
Step 5: 2980 + 745 = 3725

So, 745*5 = 3725