My weight is 30 kg, and Longlong weighs less than me (1/6), how many kilograms does Longlong weigh?
我的体重是30千克，龙龙的体重比我轻(1/6)，龙龙体重是多少千克？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">30 * (5/6)</gadget>
<output>25</output>

<result>25</result>