Apples are 1.15 yuan per kilogram, pears are 0.2 yuan cheaper per kilogram than apples, and bananas are more expensive than pears per kilogram (0.95 yuan. How much did you spend for each kilogram?
苹果每千克1.15元，梨比苹果每千克便宜0.2元，香蕉比梨每千克贵(0.95元．各买一千克，共花了多少钱？
<gadget id="calculator">1.15 - 0.2</gadget>
<output>0.95</output>

<gadget id="calculator">1.15 + 0.95 + 0.95 + 0.95</gadget>
<output>4</output>

<result>4</result>