A bacterium changes from 1 to 2 every minute. After 5 minutes, the number of the bacteria is how many times the original.
一种细菌，每过1分钟，就由原来的1个变成2个．经过5分钟，这种细菌的数量是原来的多少倍．
<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 2 * 2 * 2 * 2</gadget>
<output>32</output>

<result>32</result>