A businessman has a batch of apples. If he sells apples at 1.2 yuan per kilogram, he will lose 2 yuan. If he sells them at 1.5 yuan per kilogram, he will make 4 yuan. Now he wants to sell them quickly and sell them at a price of no loss. What is the price of a kilogram of apples?
一个商人有一批苹果，如果以每千克1.2元卖出，就亏2元，如果以每千克1.5元卖出，就赚4元，现在他想很快出手，以不亏不赚价格出卖，每千克苹果价钱是多少元．
<gadget id="calculator">2 + 4</gadget>
<output>6</output>

<gadget id="calculator">1.5 - 1.2</gadget>
<output>0.3</output>

<gadget id="calculator">6 / 0.3</gadget>
<output>20</output>

<gadget id="calculator">20 * 1.2</gadget>
<output>24</output>

<gadget id="calculator">24 + 2</gadget>
<output>26</output>

<gadget id="calculator">26 / 20</gadget>
<output>13/10 = around 1.3</output>

<result>13/10 = around 1.3</result>