<div>
    <input id="calc-value" type="number"/>
    <button onClick="calculate()" id="calc-button">Hesapla</button>
    <p>Sonuç:<span id="show-value"></span></p>
</div>
<script>
    function calculate(){
      const inputValue=(parseFloat(document.getElementById("calc-value").value)*0.1).toFixed(2);
      document.getElementById("show-value").innerText=inputValue;
    }
    
</script>