label + input + button. The form does not submit to a server here.

Goal

A city field and a Sell button.

Paste into the HTML pane:

<form>
  <label for="city">City</label>
  <input id="city" name="city" value="Nairobi" />
  <button type="button">Sell</button>
</form>

<label for="units">Units</label>
<input id="units" type="number" value="12" />

<label><input type="checkbox" checked /> Open today</label>

<button type="button">Log sale</button>