#### Answer

9425

#### Work Step by Step

To add numbers on a calculator, first locate the buttons marked +, and = or ENTER. To add two numbers, input the first number you wish to add, then press the + button. Then input the second number you wish to add, then press the = or ENTER button. To add 8773+652, press the following buttons in the following order:
8, 7, 7, 3, +, 6, 5, 2, =