Amanda Munguia Bailey has a sheet of plywood with four right angles. She saws off one of the angles and turns the plywood one-half turn clockwise. How many right angles are there on the plywood now? Enter the correct answer in the box.

Step 1 ：The plywood initially has four right angles.

Step 2 ：When Bailey saws off one of the angles, the number of right angles decreases by one.

Step 3 ：The rotation of the plywood does not change the number of right angles.

Step 4 ：Therefore, the plywood now has three right angles.

Step 5 ：Final Answer: The plywood now has \(\boxed{3}\) right angles.