There are 4.2 kilograms of apples, and the number of kilograms of pears is 1.2 kilograms more than that of apples (6/7). How many kilograms are there in pears?
有苹果4.2千克，梨的千克数是苹果的(6/7)多1.2千克，梨有多少千克．
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">4.2 * (6/7)</gadget>
<output>3.6</output>

<gadget id="calculator">3.6 + 1.2</gadget>
<output>4.8</output>

<result>4.8</result>