Xiaoming's mother bought 2.5 kilograms of apples and 3 kilograms of pears for a total of 19.7 yuan. The price of each kilogram of pears is 3.5 yuan. How much is the price of each kilogram of apples?
小明妈妈买了2.5千克苹果和3千克梨，一共花19.7元，每千克梨的价钱是3.5元，每千克苹果的价钱是多少元？
<gadget id="calculator">3.5 * 3</gadget>
<output>10.5</output>

<gadget id="calculator">19.7 - 10.5</gadget>
<output>9.2</output>

<gadget id="calculator">9.2 / 2.5</gadget>
<output>3.68</output>

<result>3.68</result>