        </div>
      </div>
      <div class="calculator__pad">
        <div class="pad">
          <div class="pad__slot r0 c0 colspan2">
            <button class="key key--primary" type="button">AC</button>
          </div>
          <div class="pad__slot r0 c2">
            <button class="key" type="button">÷</button>
          </div>
          <div class="pad__slot r0 c3">
            <button class="key" type="button">×</button>
          </div>

          <div class="pad__slot r1 c0">
            <b