67. Person A, B, and C are sawing wooden sticks of different lengths but the same thickness. A saws sticks that are all 8 meters long, B saws sticks that are all 10 meters long, and C saws sticks that are all 6 meters long. They are required to saw them into 2-meter segments. If in the same amount of time, A, B, and C sawed 24, 25, and 27 segments respectively, then the person with the fastest sawing speed saw $\qquad$ more times than the person with the slowest sawing speed.
answer: 2