IfWinExist Calculator
  WinActivate
else
  Run calculator://
  WinActivate calculator

// 75 / 8 = 

CoordMode, Mouse, Window
Click 208,228
Sleep, 2500
Click 48,338
Sleep, 500
Click 129,397
Sleep, 500
Click 286, 282
Sleep, 500
Click 129, 338
Sleep, 500
Click 286, 496
return