18 wheels on a big rig lyrics

(H. Banks)
Oh, there's 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18
wheels on a big rig;
(OK, everybody now!)
Oh, there's 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18
wheels on a big rig;
And they're rollin' rollin' rollin', rollin', rollin', rollin'.
(Mighty fine, good buddy, let's back the big rig on up now!)
Oh, there's 18-17-16-15-14-13-12-11-10-9-8-7-6-5-4-3-2-1
wheels on a big rig;
(OK, now let's count just the even number wheels.)
Oh, there's 2-4-6-8-10-12-14-16-18
wheels on a big rig;
And they're rollin' rollin' rollin', rollin', rollin', rollin'.
(OK, let's go to the other side of the truck now and count just
the odd number wheels.)
Oh, there's 1-3-5-7-9-11...13.....15.......17 wheels on a big rig;
(Sounds like you might have a flat...I don't know.)
(OK, since you're so smart, why don't you try doing it in Roman numerals?)
(OK, I will.)
Oh, there's I II III IV V VI VII VIII IX X XI XII XIII XIV XV XVI XVII XVIII
wheels on a big rig,
And they're rollin' rollin' rollin', rollin', rollin', rollin'.
(Top that, will you!)
(I will now attempt to divide the wheels of a big rig by pi.)
Oh, there's 3.1431425679..11...million wheels on a big rig,
And they're rollin' rollin' rollin', rollin', rollin', rollin'.