In the initial rehearsal of the school chorus team, the number of girls was 1.8 times the number of boys. In order to achieve a better chorus effect, the number of girls was reduced by 12. At this time, the number of girls was 1.5 times that of boys. How many people are there in the chorus now?
学校合唱队最初排练时女生人数是男生人数的1.8倍，为了达到更佳的合唱效果，女生减少了12人，这时女生人数是男生人数的1.5倍．现在合唱队共有多少人？
<gadget id="calculator">1.8 - 1.5</gadget>
<output>0.3</output>

<gadget id="calculator">12 / 0.3</gadget>
<output>40</output>

<gadget id="calculator">1.8 * 40</gadget>
<output>72</output>

<gadget id="calculator">72 - 12</gadget>
<output>60</output>

<gadget id="calculator">40 + 60</gadget>
<output>100</output>

<result>100</result>