A fruit shop brings a batch of strawberries, sells (1/6) of the total number on the first day, sells the rest (2/5) on the second day, and sells 40 kg.
水果店运来一批草莓，第一天卖出总数的(1/6)，第二天卖出余下的(2/5)，卖出40千克，水果店共远来草莓多少千克．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">40 / (2/5)</gadget>
<output>100</output>

<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">100 / (5/6)</gadget>
<output>120</output>

<result>120</result>