On Sunday, my mother went to the supermarket to buy fruit. She bought 8 kilograms of apples at an average of 12 yuan per kilogram, and 8 kilograms of bananas at an average of 15 yuan per kilogram. How much does my mother have to pay in total?
星期天，妈妈去超市买水果，买了8千克苹果，平均每千克12元，又买了8千克香蕉，平均每千克15元，妈妈一共要付多少元？
<gadget id="calculator">8 * 12</gadget>
<output>96</output>

<gadget id="calculator">8 * 15</gadget>
<output>120</output>

<gadget id="calculator">96 + 120</gadget>
<output>216</output>

<result>216</result>