The fifth and sixth graders went to the field to collect specimens. The fifth grade collected 36 species, which was less than the sixth grade (4/5). How many species did the fifth grade collect less than the sixth grade?
五六年级学生去野外采集标本，五年级采了36种，比六年级少采了(4/5)，五年级比六年级少采了多少种？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">36 / (1/5)</gadget>
<output>180</output>

<gadget id="calculator">180 * (4/5)</gadget>
<output>144</output>

<result>144</result>