Can someone me? when i put 4.50 x 33.47 in the calculator it gives me a weird number and i have a test tomorrow! i really wanna learn how to do this

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.