1handleSubmit = (event) => {
2  event.preventDefault();
3  this.props.history.replace({
4    pathname: "/result",
5    state: {
6      value:
7        "Your saving range is: $" +
8        Math.floor(1.69 * this.state.square * (10 / 100)) +
9        "- $" +
10        Math.floor(1.69 * this.state.square * (30 / 100))
11    }
12  });
13};
14
15class Result extends Component {
16  render() {
17    return (
18      <div className="result">
19        <h2>You could save between</h2>
20        <h1>{this.props.location.state.value}</h1> // <-- route state
21        <NavLink to="/">Use Calculator Again</NavLink>
22      </div>
23    );
24  }
25}