Question
========
On 2013-05-03 one Euro (€) was buying 1.3109 US Dollars ($) and
0.8431 British Pounds (£). At Frankfurter Börse around noon adidas AG was the
largest winner compared with the day before with a price of € 84.8492 per share.
If you buy 31 shares, how much are they worth in $?

Solution
========
The worth in $ is the number of shares $\times$ stock price $\times$ exchange rate,
i.e., $31 \times 84.8492 \times 1.3109 \approx 3448.0933047$.

Meta-information
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extype: num
exsolution: 3448.093
exname: Currency exchange rates
extol: 0.01