In the "June. 1" garden tour, Zhang Xiaoming won 20 prizes, and Li Xiaoming got less (1/5) the number of prizes than Zhang Xiaoming. How many prizes did Li Xiaoming get?
"六．一"游园活动中，张小明获得20件奖品，李小明获得的奖品数比张小明少(1/5)，李小明获得奖品多少件？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">20 * (4/5)</gadget>
<output>16</output>

<result>16</result>