Avaliação exercicio OOJS -- Correção

PRECISO DE CORREÇÃO NO EXECICIO 1 OOJS 1 :

<meta charset="utf-8"/>

<title>OOJS: Task 1</title>

<style>

  p {

    color: purple;

    margin: 0.5em 0;

  }

  * {

    box-sizing: border-box;

  }

</style>
<section class="preview">

</section>
function Shape(name, sides, sideLength) {

  this.name = name;

  this.sides = sides;

  this.sideLength = sideLength;        

    // function que faz o calculo  

  this.calcPermiter =  function(){

    return console.log((this.sides)*+this.sideLength) 
}

}

// adicionar um novo metodo ao Shape

let square = new Shape("Square", 2,5)    
square.calcPermiter();

let triangle = new Shape("triangle", 2,3)
triangle.calcPermiter()

(sem tags script eu retirei pra carregar o codigo no site)

SEGUE O LINK DO EXERCICIO : https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Test_your_skills:_Object-oriented_JavaScript