The math problem in the picture is solved like this:

A pair of shoes =20, a shoe =10;

Second, one person (without gloves) = 5;

Third, a pair of glasses = 2;

Four, a glove =20, a glove = 40;

Verb (abbreviation for verb) The result of the last formula:

10+67 (one person+one pair of glasses+one pair of gloves+one pair of shoes) ×2

= 10+ 134

= 144