There are four numbers, they are the smallest odd number, the smallest even number (except 0), the smallest composite number and the smallest prime number, what is the product of the reciprocals of these four numbers?
有四个数，它们分别是最小的奇数，最小的偶数(除0外)，最小的合数和最小的质数，求这四个数的倒数的乘积是多少？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 * (1/2) * (1/2) * (1/4)</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>