export default function App() {
  const sum = (a, b) => {
    return a + b;
  };

  const multiply = (a, b) => {
    return a * b;
  };

  const handleClick = event => {
    console.log(event.target);

    console.log('function 1:', sum(5, 5));
    console.log('function 2:', multiply(5, 5));
  };

  return (
    <div>
      <button onClick={handleClick}>Click</button>
    </div>
  );
}