Mom bought 4kg of apples and spent 26 yuan. How much would it cost to buy 6kg of the same apples?
妈妈买4kg苹果花了26元，买6kg同样的苹果要用多少元．
<gadget id="calculator">26 / 4</gadget>
<output>13/2 = around 6.5</output>

<gadget id="calculator">(13/2) * 6</gadget>
<output>39</output>

<result>39</result>