question: Alisa biked 12 miles per hour for 4.5 hours. Stanley biked at 10 miles per hour for 2.5 hours. How many miles did Alisa and Stanley bike in total?
answer: Alisa = 12 * 4.5 = <<12*4.5=54>>54 miles
  Stanley = 10 * 2.5 = <<10*2.5=25>>25 miles
  54 + 25 = <<54+25=79>>79 miles
  Together, Alisa and Stanley biked for 79 miles.
  #### 79