所谓“人口红利”，是指一个国家的劳动年龄人口占总人口比重大，抚养率比较低，为经济发展创造有利的人口条件，整个国家的经济形成高储蓄、高投资和高增长的局面。读我国的人口红利图，回答下列问题。
Much to our shock, none of the 100 people were able to________the gas blast, which brought great grief to their family.
计算：1﹣3×（﹣2）=____
