figure out

verb

1. To come to understand; to discover or find a solution; to deduce.

   “As soon as I figure out what is wrong with my car, I will fix it.”

   “This part of the work, however, would of course come under the head of designing, while the object of this book is to teach you how to figure out the patterns whether you understand anything about designing or not.”

2. To calculate.

   “We'd already figured out that the trip would cost $1,000.”

   “Now after you are through with the plan and are ready to figure out the number of brick, take your estimate sheet and do so, following the dimensions you have set down from the plans.”