The weight of the grass will decrease (2/3) after drying. Now there are 66 tons of grass. How many tons of hay are left after drying?
青草晒干后重量会减少(2/3)，现在有66吨青草，晒干后剩下干草多少吨？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">66 * (1/3)</gadget>
<output>22</output>

<result>22</result>