||FY19|FY18¹|Growth %|Growth %|
||$m (Reported)|$m (Reported)|(Reported)|(CC)|
|Revenue by Region:|||||
|– Americas|253.3|223.6|13.3|13.4|
|– EMEA|363.6|324.5|12.0|12.7|
|– APJ|93.7|90.9|3.1|6.2|
||710.6|639.0|11.2|12.0|
|Revenue by Product:|||||
|– Network|328.5|316.5|3.8|4.7|
|– Enduser|348.4|291.8|19.4|20.2|
|– Other|33.7|30.7|9.8|10.0|
||710.6|639.0|11.2|12.0|
|Revenue by Type:|||||
|– Subscription|593.9|512.4|15.9|16.7|
|– Hardware|106.8|115.1|(7.2)|(6.3)|
|– Other|9.9|11.5|(13.9)|(12.8)|
||710.6|639.0|11.2|12.0|
 Revenue and deferred revenue The Group adopted IFRS 15 Revenue from Contracts with Customers in the current year and has therefore restated the results for the prior-year on a consistent basis, see note 2 of the Financial Statements for further details. The Group’s revenue increased by $71.6 million, or 11.2 per cent, to $710.6 million in the year-ended 31 March 2019. Subscription revenue was notably strong in the period, with reported growth of 15.9 per cent, or 16.7 per cent on a constant currency basis, because of strong prior-period billings and incremental growth of the MSP channel in the current period. 1 Restated for the adoption of IFRS 15 as explained in note 2 of the Financial Statements Revenue in the period of $710.6 million comprised $394.1 million from the recognition of prior-period deferred revenues and $316.5 million from in-period billings. The majority of the Group’s billings, which are recognised over the life of the contract, relate to subscription products (FY19: 84.8 per cent; FY18: 83.8 per cent), with the benefit from increased billings being spread over a number of years on the subsequent recognition of deferred revenue. The deferred revenue balance at the end of the period of $742.1 million increased $13.5 million year-on-year, an increase of 1.9 per cent. This was mainly due to a net deferral of billings amounting to $49.7 million partially offset by a net currency revaluation of $36.2 million, a consequence of the weakening of the euro and sterling against the US dollar during the year. Deferred revenue due within one year at the balance sheet date of $428.6M increased by 5.1 per cent at actual rates or by 10.7 per cent in constant currency. Revenue in the Americas increased by $29.7 million or 13.3 per cent to $253.3 million in the year-ended 31 March 2019, supported by the recognition of prior-period Enduser billings from the Sophos Central platform and the growth of the MSP channel in the current period. EMEA revenue increased by $39.1 million or 12.0 per cent to $363.6 million in the year-ended 31 March 2019, with growth in Enduser in particular, but also aided by Network sales. APJ revenue increased by $2.8 million, or 3.1 per cent to $93.7 million in the year-ended 31 March 2019, with good growth in Enduser products partially offset by a decline in Network sales following the legacy product transition.


Question: What would the average revenue earned across 2018 and 2019 be if the amount in 2019 was $700.0 million instead? (in million)

Solution:
def solution():
    # Define variables name and value
    fy19_revenue = 700.0
    fy18_revenue = 639.0
    
    # Do math calculation to get the answer
    answer = (fy19_revenue + fy18_revenue) / 2
    
    return answer

Answer: 669.5