Xiaohong's family bought 5kg of rice and ate (3/5)kg, how much is left? What is the column
小红家买来5kg大米，吃了(3/5)kg，还剩多少？列式是多少
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5 - (3/5)</gadget>
<output>22/5 = around 4.4</output>

<result>22/5 = around 4.4</result>