how sap calculate amount lc when i post order in migo

Hi Expert,

I would like to undertsand how is the amount in LC  was computed during MIGO.

i have a production order and go to migo and select Good Reciept and order and enter my order no.

i have this  datas:

in mm03 my ps.ctr is 's' so i want standar price.

and my standard price is 46.060.467 ,and currency is IRR.

my po quantity is 1.

but when i post, in accounting document , amount lc is 1.291.207.644 , now i want to know how this price is computed?