feat refine calculation logic in ExpressionCalculatoor

Author: kksaunders251

lesson_06/expression/src/expression_calculator.ts

@@ -1,11 +1,12 @@
 export class ExpressionCalculator {
   /** Returns a calculation involving a, b, c, d, and e */
   calculate(a: number, b: number, c: number, d: number, e: number): number {
-    // Implement your code here to return the correct value.
-    const base: number = this.add(b, c);
-    const expo: number = d;
-
-    return this.divide(this.multiply(a, this.pow(base, expo)), e);
+    // Function to implement: a * Math.pow(b + c, d) / e
+    const addition = this.add(b, c);
+    const exponentiation = this.pow(addition, d);
+    const multiplication = this.multiply(a, exponentiation);
+    const division = this.divide(multiplication, e);
+    return division;
   }
 
   pow(base: number, exponent: number): number {