If there are 5 0s at the end of the product of 25*125*□, how much should be filled in □
要使25*125*□的积末尾有5个0，则□中应填多少
<gadget id="calculator">8 / 25 / 125</gadget>
<output>8/3_125 = around 0.00256</output>

<gadget id="calculator">25 * 4 * 125 * (8/3_125)</gadget>
<output>32</output>

<result>32</result>