Calculate how many consecutive zeros there are at the end of the calculation result of 201*202*203*...626.
计算201*202*203*…626的计算结果的末尾有多少个连续的零．
<gadget id="calculator">626 - 201</gadget>
<output>425</output>

<gadget id="calculator">425 / 5</gadget>
<output>85</output>

<gadget id="calculator">425 / 25</gadget>
<output>17</output>

<gadget id="calculator">85 + 17 + 3</gadget>
<output>105</output>

<result>105</result>