How many consecutive 0s are there at the end of the product of 8*16*24*32*…*4000?
8*16*24*32*…*4000的积的末尾有多少个连续的0．
<gadget id="calculator">4_000 / 40</gadget>
<output>100</output>

<gadget id="calculator">25 * 8</gadget>
<output>200</output>

<gadget id="calculator">4_000 / 200</gadget>
<output>20</output>

<gadget id="calculator">8 * 125</gadget>
<output>1_000</output>

<gadget id="calculator">4_000 / 1_000</gadget>
<output>4</output>

<gadget id="calculator">100 + 20 + 4</gadget>
<output>124</output>

<result>124</result>