Gabriel is writing a program to calculate the area of a trapezoid, based on this formula: The area of the trapezoid is equal to the sum of the length of its bases, multiplied by the half of the height. The program starts with this code: base1 ← 23 base2 ← 42 height ← 7 Which lines of code successfully calculate the area? ️Note that there may be multiple answers to this question.