Oven → Air Fryer Converter

<form id="air-fryer">
  <label for="af-temp">Oven temperature (°C)</label>
  <input id="af-temp" name="temp" type="number" inputmode="numeric" value="200" min="50" max="300">

  <label for="af-time">Oven time (minutes)</label>
  <input id="af-time" name="time" type="number" inputmode="numeric" value="30" min="1">

  <button type="submit">Convert</button>

  <p>Cook at <output id="af-out-temp" for="af-temp">175 °C</output>
     for <output id="af-out-time" for="af-time">24 min</output>.</p>
</form>

<script>
document.getElementById("air-fryer").addEventListener("submit", (e) => {
  e.preventDefault();
  const temp = +document.getElementById("af-temp").value;
  const time = +document.getElementById("af-time").value;
  document.getElementById("af-out-temp").value = `${temp - 25} °C`;
  document.getElementById("af-out-time").value = `${Math.round(time * 0.8)} min`;
});
</script>