WeBWorK Standalone Renderer

$\bigtriangleup ABC \sim \bigtriangleup DEF$
Some of the sidelengths are $AB = 7.717 , AC = 6.6, BC = 4, DE = 23.151$
What is the area of $\bigtriangleup ABC$ ? $cm ^2$
What is the area of $\bigtriangleup DEF$ ? $cm ^2$

You can earn partial credit on this problem.