According to statistics from the Ministry of Information Industry, so far, there are 360 million telephone users in my country, among which fixed-line users account for 50% of mobile phone users. How many billion mobile phone users are there?
据信息产业部统计，到目前为止，我国电话用户大3.6亿户，其中固定电话用户是移动电话用户的50%．移动电话用户有多少亿户？
<gadget id="calculator">100 + 50</gadget>
<output>150</output>

<gadget id="calculator">100 / 150</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3.6 * (2/3)</gadget>
<output>2.4</output>

<result>2.4</result>