题目

On a cold winter day, many years ago, a French art teacher named Pierre Chevalier got on a train in Lyon to go to Paris. When he started his journey, he did not know that it was the beginning of almost 40 years of accidents and near death experiences.During the journey, the train fell into an icy river, killing 12 passengers. Chevalier managed to swim back to the river bank. He only had a broken leg.Two years later, Chevalier was on a plane from Paris to Moscow when a door suddenly opened and he fell out. A few minutes later, the plane crashed; 27 people were killed. Chevalier was so lucky tha5．列式计算（1）3.6与4.27的和的5倍是多少？（2）4.08乘2.8除以4的商，积是多少？