school oral presentation

As usual just another regular school day.Today,mr Daniel random give us a number and we must say plus minus times divide by a number to give us another number.That number will be the register no. of the person who will be speaking about the oral topic that he has given us.He gave the number 17,I raise up my hand and say 17 times 3.He then say that since I want to be funny I might as well do the oral presentation now.i went out and say out all the things that I had prepare.Mr Daniel graded me.omg I just pass having the score of 11/20.