Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
calculate =
1.
•Ä
2.
ˆø
3.
‰_
4.
ŽZ
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ