task: Lesson 06 updated added equation to calculator

lesson_06/expression/.env.test

@@ -1 +1 @@
-HW_VERSION=your assigned version here
+HW_VERSION=G

lesson_06/expression/src/expression_calculator.ts

@@ -2,10 +2,26 @@ 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.
-    return 0;
+    //(Math.pow(a, b) + c) * d / e
+    const exponential = this.pow(a, b);
+    const addition = this.add(exponential, c);
+    const multiply = this.multiply(addition, d);
+    const divide = this.divide(multiply, e);
+    // const divide = this.divide(multiply, e);
+    return divide;
+
   }
 
   pow(base: number, exponent: number): number {
     return Math.pow(base, exponent);
   }
+  add(number1: number, number2: number): number {
+    return number1 + number2;
+  } 
+  multiply(number1: number, number2: number): number {
+    return number1 * number2;
+  }
+  divide(number1: number, number2: number): number {
+    return number1 / number2;
+  }
 }