Example of placement of the snippet in the cart files.

cart__main.liquid

              <div class="cart__subtotal-container cart__row">
                <div class="cart__row-description">
                  <p class="h3">{{ 'cart.general.subtotal' | t }}:</p>
                </div>
                <p class="h3 cart__subtotal">
                  <span class="money">
                    {%
                      render 'price-element',
                      price: cart.total_price
                    %}
                  </span>
                </p>
              </div>

              {%  render 'cart-automatic-discounts' %}

              {% comment %}
              {% if section.settings.display_savings and total_saving > 0 %}
                <div class="cart__total-savings cart__row">
                  <div class="cart__row-description">
                    <p class="cart">{{ 'layout.general.savings' | t }}:</p>
                  </div>
                  <p class="cart__total-discount">
                    <span class="money">
                      {% assign total_savings = total_saving | plus: cart.total_discount %}
                      {%
                        render 'price-element',
                        price: total_savings
                      %}
                    </span>
                  </p>
                </div>
              {% endif %}
              {% endcomment %}