Jamie wants to put tiles on the walls and floor of his room but not the ceiling. the length of his room is 10 feet, the width is 14 feet, and the hight is 12 feet. if each tile is 1 foot long and 1 foot wide, how many tiles will jamie need?

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.