A bag of melon seeds weighs (1/4) kilograms, and a bag of sugar weighs (2/4) kilograms more than a bag of melon seeds. How many kilograms does a bag of sugar weigh?
一包瓜子的重量是(1/4)千克，一包糖比一包瓜子重(2/4)千克，一包糖的重量是多少千克？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/4) + (1/2)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>