A bag of rice weighs 40 kilograms, how many kilograms are left after eating (5/8) of it?
一袋米重40千克，吃了其中的(5/8)，还剩多少千克？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">40 * (3/8)</gadget>
<output>15</output>

<result>15</result>