Below is an instruction that describes a task. Write a response that appropriately completes the request in Spanish. Please answer in Spanish.

### Instruction:
 Calvin buys a pack of chips, for $0.50, from the vending machine at lunch, 5 days a week. After 4 weeks, how much money has Calvin spent on chips?


### Response:
 Calvin compra papas fritas por $0.50 la bolsa, 5 días a la semana, durante 4 semanas, por lo que gasta .50 * 5 * 4 = $10.00 en papas fritas en un mes.