IMAS 2018 — Middle Primary Grades 3–4 — Round 1 Question 23

In the figure below, $ ABCD $, $ EFGH $ and $ AJKL $ are squares. The area of $ AJKL $ is 2018 cm². If rectangles $ EFCI $ and $ JBFK $ both have an area of 1360 cm², then what is the area, in cm², of $ CGHI $?