In a sealed bottle, if one bacterium is placed, it will be full of bacteria after 60 seconds. It is known that each bacterium splits into 2 per second, and 4 in 2 seconds. If 8 bacteria are initially placed. What is the minimum number of seconds required to fill the bottle with bacteria?
密封的瓶中，如果放进一个细菌，60秒钟后充满了细菌，已知每个细菌每秒分裂成2个，两秒钟分裂成4个，如果开始放8个细菌．要使瓶中充满细菌最少需要多少秒．
<gadget id="calculator">60 - 3</gadget>
<output>57</output>

<result>57</result>