diff --git a/README.md b/README.md
index b103466139..33279a9216 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,17 @@
 
 A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
 
-```
-Input:
-   p, principal amount
-   t, time period in years
-   r, annual rate of interest
-Output
-   simple interest = p*t*r
-```
+
+def calcular_interes_simple(p, t, r):
+    return p * t * r / 100
+
+# Ejemplo de uso
+principal = 1000
+tiempo = 5
+tasa_interes = 8
+
+interes = calcular_interes_simple(principal, tiempo, tasa_interes)
+print(f"El interés simple es: {interes}")
+
 
 _© 2022 XYZ, Inc._