/**
 * Addition component
 * @param {Object} props Component's customisable properties
 * @param {number} [props.a] first value
 * @param {number} [props.b] second value
 * @returns {JSX.Element} content of the Addition
 */
function Addition(props) {
  return <div>{props.a} + {props.b} = {props.a + props.b}</div>
}