Uncle Li’s family received 78 baskets of apples and sold them at a price of 40 yuan per basket. 35 baskets have been sold. How much has been paid?
李大爷家收了78筐苹果，以每筐40元的价格卖出，已经卖出了35筐，已收款多少元？
<gadget id="calculator">40 * 35</gadget>
<output>1_400</output>

<result>1_400</result>