2. Among all positive integers that are multiples of 20, the sum of those that do not exceed 2014 and are also multiples of 14 is
【Key Points】Least Common Multiple, Arithmetic Sequence
【Answer】14700
【Analysis】$[20,14]=140,\left[\frac{2014}{140}\right]=14,140 \times(1+2+3+\cdots 14)=14700$.