A box of apples weighs 8 kg, and (1/4) is eaten. How many kilograms are left?
一箱苹果重8千克，吃了(1/4)．还剩多少千克？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">8 * (3/4)</gadget>
<output>6</output>

<result>6</result>