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- function simpleCalculator(firstNumber, secondNumber, operator) {
- let result = 0;
- switch (operator) {
- case "add":
- result = ((x, y) => {
- return x + y;
- })(firstNumber, secondNumber);
- break;
- case "subtract":
- result = ((x, y) => {
- return x - y;
- })(firstNumber, secondNumber);
- break;
- case "multiply":
- result = ((x, y) => {
- return x * y;
- })(firstNumber, secondNumber);
- break;
- case "divide":
- result = ((x, y) => {
- return x / y;
- })(firstNumber, secondNumber);
- break;
- }
- return result;
- }
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