Xiaogang's family bought a bag of flour and ate (3/4), leaving 5 kilograms. How many kilograms is this bag of flour originally?
小刚家买来一袋面粉，吃了(3/4)，还剩5千克．这袋面粉原有多少千克？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">5 / (1/4)</gadget>
<output>20</output>

<result>20</result>