Zhao Xin bought 3.5 kilograms of apples and 5 kilograms of pears for a total of 60.5 yuan. If the unit price of apples per kilogram is 8 yuan, how much is the price of pears per kilogram? (solution by equation)
赵欣买3.5千克苹果和5千克梨，一共用去60.5元．如果每千克苹果的单价是8元，每千克梨多少元？(用方程解)
<gadget id="calculator">8 * 3.5</gadget>
<output>28</output>

<gadget id="calculator">60.5 - 28</gadget>
<output>32.5</output>

<gadget id="calculator">32.5 / 5</gadget>
<output>6.5</output>

<result>6.5</result>