Lol. Later on;
Paddy decides to go into the tree-felling business. He manages with a hand-saw for a few days but then hears that a chainsaw does the job much quicker. So Paddy goes to his local B&Q and the salesman sells him a brand new stihl chainsaw, informing him that it'll easily cut down 150 trees a day.
Paddy's well pleased with this and gives it a try for the next couple of days. On the third day he goes back to the shop and complains that there must be something wrong with it - he can only manage about 70 trees a day. The salesman carefully inspects the chainsaw and then starts it up to check it out.
"What the feck's that noise"? shouts Paddy.