Without delay, let's solve this. We've got 151 and we will be multiplying it by 7, that is, adding 151 to itself 7 times.
Step 1: 0 + 151 = 151
Step 2: 151 + 151 = 302
Step 3: 302 + 151 = 453
Step 4: 453 + 151 = 604
Step 5: 604 + 151 = 755
Step 6: 755 + 151 = 906
Step 7: 906 + 151 = 1057

So, 151*7 = 1057