Translation of "Reais" in Spanish

Give me three reais worth of bread.

Dame tres reales de pan.

The rockets cost twenty reais a box.

Los cohetes cuestan veinte reales la caja.

Despite having two jobs, the sum of Joao's salaries doesn't surpass a thousand reais.

A pesar de tener dos trabajos, la suma de los salarios de Juan no sobrepasa los mil reales.