Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_53 (laps INTEGER, time_retired VARCHAR)
### Question:
How many laps were there when time/retired was gearbox?
### Answer:
SELECT SUM(laps) FROM table_name_53 WHERE time_retired = "gearbox"