Evaluate {{MATH_21}}. {{CMD_22}} {{CMD_23}}{{MATH_24}}{{CMD_25}} {{CMD_26}}{{MATH_27}}{{CMD_28}} {{CMD_29}}{{MATH_30}}{{CMD_31}} {{CMD_32}}{{MATH_33}}{{CMD_34}} {{CMD_35}}{{MATH_36}}{{CMD_37}} {{CMD_38}}None of the above{{CMD_39}} {{CMD_40}}