Question

First one to help me and is right gets a medal and fan
Pierce works at a tutoring center on the weekends. At the center, they have a large calculator to use for demonstration purposes that is a scale model of calculators available for the students to use.

Each key on the student calculators is 17 millimeters wide, and each key on the demonstration calculator is 6.8 centimeters wide. If the student calculators are 247 millimeters tall, how tall is the demonstration calculator?
0.988 meter
16.796 meters
0.068 meter
98.8 meters