This is the 9178th most frequent Catalan word.
gasta
"Spend" or "use up."
In this sentence, 'gasta' is the third-person singular form of the verb 'gastar', meaning 'to spend'. It is used to describe spending money.
Ella gasta molt diners en roba.
She spends a lot of money on clothes.
Here, 'gasta' refers to consumption or usage of resources, specifically gasoline in this context, by the car.
Aquest cotxe gasta molta gasolina.
This car uses a lot of gasoline.
The use of 'gasta' here indicates spending time, particularly how someone uses their leisure time.