Xiao Ming went to the fruit shop to buy some fruit. Originally planned to buy 4 kg of pears and 5 kg of apples to pay 50 yuan. As a result, he bought 4 kilograms of pears and 6 kilograms of apples, and paid a total of 56 yuan. How much is 1 kilogram of pears?
小明去水果店买水果．原计划买4千克梨和5千克苹果要付出50元．结果他买了4千克梨和6千克苹果，一共付出56元．求1千克梨多少元．
<gadget id="calculator">56 - 50</gadget>
<output>6</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">50 - 30</gadget>
<output>20</output>

<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<result>5</result>