Fresh mushrooms lose 85% of their original weight after drying. How many kilograms of fresh mushrooms are made of 20 kilograms of dried mushrooms? what is the formula
鲜蘑菇经晾晒后失原重量的85%，现有干蘑菇20千克是由多少千克鲜蘑菇晾晒成的？算式是多少
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">20 / (3/20)</gadget>
<output>400/3 = around 133.333333</output>

<result>400/3 = around 133.333333</result>