\( 60 : 15 + 92 : 4 = 4 + 23 = 27 \)
\( 27 + 91 : 7 = 27 + 13 = 40 \)
\( 45 \cdot 2 - 18 \cdot 3 = 90 - 54 = 36 \)
\( 29 + 31 \cdot 2 = 29 + 62 = 91 \)