The category "<degree_number-180-pl>" can be expressed as follows:

<degree_number-180-pl>

<digit> <digit>

<digit-0> <digit_not_one> <digit>

<digit-0-pl> <digit-1> <digit>

<digit-1> <digit-8> <digit-0>

<digit-1> <digit_zero_to_seven> <digit>

<digit-1_or_2> hundred <tens_number-not_digit_sequence>

<digit-pl>

<teen>

<tens>

<tens> <digit-not_zero>

oh_one <digit>