What is the calculation formula of Jinzhong lawyer's endowment insurance?

The calculation formula for receiving old-age insurance benefits: basic pension and personal account pension, in which: basic pension (the average monthly salary of employees in the whole province in last year, the average monthly payment salary of myself) ÷2× payment period × 1% monthly basic pension = basic pension+personal account pension+transitional pension = the average monthly salary of employees in the whole province in last year × 1997.