11. (6 points) Xiaopang bought a coat, a pair of pants, and a pair of leather shoes for 700 yuan. Xiao Ya asked him the price of each item, and Xiaopang told him: The coat is 340 yuan more expensive than the pants, the coat is 180 yuan more expensive than the total price of the shoes and pants, the price of the pants is $\qquad$ yuan.
【Answer】Solution: Let the price of each pair of pants be $x$ yuan,
$$
\begin{aligned}
x+340+x+340+x-180-x & =700, \\
2 x+500 & =700, \\
2 x+500-500 & =700-500, \\
2 x \div 2 & =200 \div 2, \\
x & =100,
\end{aligned}
$$

Answer: The price of the pants is 100 yuan.
Therefore, the answer is: 100.