According to the "my country Smoking Hazards to Health Report", the Chinese public's awareness of the hazards of smoking and second-hand smoke exposure is seriously insufficient, and more than 75% of the people do not fully understand the health hazards of smoking. In China's 1.37 billion population. How many billions of people do not fully understand the health hazards of smoking?
据《中国吸烟危害健康报告》显示，我国公众对吸烟和二手烟暴露危害的认识严重不足，超过75%的民众不能全面了解吸烟对健康的危害．在中国13.7亿人口中．有多少亿人不能全面了解吸烟对健康的危害？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">13.7 * (3/4)</gadget>
<output>10.275</output>

<result>10.275</result>