There are 250 kilograms of flour, rice is more than flour (1/4), how many kilograms of rice?
有面粉250千克，大米比面粉多(1/4)，大米有多少千克？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">250 * (5/4)</gadget>
<output>625/2 = around 312.5</output>

<result>625/2 = around 312.5</result>