Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_80 ( grid INTEGER, time_retired VARCHAR, laps VARCHAR )

### Question ###
What is the grid associated witha Time/Retired of +8.180 secs, and under 47 laps?

### Accurate SQL ###

SELECT SUM(grid) FROM table_name_80 WHERE time_retired = "+8.180 secs" AND laps < 47