29. As shown in Figure 15, in trapezoid $ABCD$, $AD: BE=4: 3, BE: EC=2: 3$. If the area of $\triangle BOE$ is 10 square centimeters less than the area of $\triangle AOD$, then the area of trapezoid $ABCD$ is $\qquad$ square centimeters.
Reference answer: 115