Xiaoming weighs 40kg, which is 1/6 lighter than his mother. How much is his mother's weight in kg?
小明体重40kg，比妈妈轻(1/6)，妈妈体重是多少kg？
<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">40 / (5/6)</gadget>
<output>48</output>

<result>48</result>