You need to multiply 300m by 100cm since there are 100cm in a meter. You should be able to solve that mentally.
300m
30,000 cm
This WEBSITE has the answers as well as pictures and a step by step: http://theswampbbs.com/300m/plugchange/default.html
Oil change is due.
You should change the oil every 3 months of 3000 miles.
300m
300m is 0.3 km.
4.5 quarts
Carefully remove the lens then bulb
5 to 5.5 quarts
First you change cm to inches. Then you multiply that by 12.
It's 253HP for the standard 300m with the 3.5 (all 1999-2004 3.5's were "high output" used in the 300m) It was 255 HP for the 300m Special (a sport tuned edition of the 300m).