Without delay, let's solve this. We've got 247 and we will be multiplying it by 7, that is, adding 247 to itself 7 times.
Step 1: 0 + 247 = 247
Step 2: 247 + 247 = 494
Step 3: 494 + 247 = 741
Step 4: 741 + 247 = 988
Step 5: 988 + 247 = 1235
Step 6: 1235 + 247 = 1482
Step 7: 1482 + 247 = 1729

So, 247*7 = 1729