A non-zero natural number is first multiplied by 4 and then divided by 2, which is called an operation. After performing such 3 operations, how many times does the natural number expand
一个非0自然数先乘以4，再除以2，称为一次操作，进行这样的3次操作后，这个自然数扩大多少倍
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">4 / 2 / 2 / 1</gadget>
<output>1</output>

<gadget id="calculator">2 * 2 * 2 * 1</gadget>
<output>8</output>

<result>8</result>