text: function solve(obj) {
      if (obj.handsShaking) {
          debugger;
          let alcohol = 0.1 * obj.weight * obj.experience;
          obj.bloodAlcoholLevel += alcohol;
          obj.handsShaking = false;
  
          return obj;
      }
      return obj;
  }
  
  console.log(solve({
          weight: 120,
          experience: 20,
          bloodAlcoholLevel: 200,
          handsShaking: true
      }
  ));