Xiao Yang's family of three traveled to Jiuzhaigou with a tour group. Xiao Yang made the expenses of the trip into a statistical chart as shown in the figure (1). Which part of the expenses?

Solution: (1) The cost of shopping accounts for the whole expenditure;

(2) Spending 86×3%=258 yuan on board and lodging;

(3) The percentage of the round trip fare is 1-3% = 45%,

∴ The round trip fare of this family is ***86×45%=387 yuan.

So the answer is: shopping, 258 yuan.