RefuelLava

print("You have " .. tostring(turtle.getFuelLevel())  .. " Fuel Left")
term.write("How much do you want: ")
amount = tonumber(read())

while (turtle.getFuelLevel() < amount) do
  turtle.place()
  turtle.refuel()
  term.clear()
  term.setCursorPos(1, 1)
  print(tostring(turtle.getFuelLevel() / amount * 100) .. "%"
  )
end

print("Done")
sleep(1)