Calculator - Do a substraction.sikuli

(Download this script)
# SCENARIO: Calculator - Do a substraction
#   GIVEN   a running calculator app
type(Key.WIN + "calculator" + Key.ENTER)
wait()
#     AND '5' is displayed
click()
wait()
#   WHEN I click on '-', '1', '='
click()
click()
click()
#   THEN result should be '4'
wait()