There are two bags of sugar, bag A is (7/8) kg more than bag B, if (1/4) kg is taken out of bag A and put into bag B, how much more is bag A than bag B?
两包糖，甲包比乙包多(7/8)kg，如果从甲包中取出(1/4)kg放入乙包，这时甲包比乙包多多少千克？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(7/8) - (1/2)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>