Solver is not working for kinox.to

[Klaus-fischer]

It seems they use brackets in their calculation, so operands can be +-*/ and empty (first value in brackets) that rises an exception.
Even by fixing this, the result is different to the Firefox result, using the same request. Maybe i can send a example later this day.

[Klaus-fischer]

test1.html.txt
jschl_answer=179.3071197063

test2.html.txt
jschl_answer=58.5639375940