Sophia got $122.64 after the currency exchange.
Sophia initially had $1,000 and she exchanged it to rand at an exchange rate of 7.15 rand to $1.
$1000 * 7.15 rand = 7150 rand
Out of the 7150 rand, 6274 was spent leaving 876 rand to be exchanged into US dollar.
1 rand is equivalent to $0.14.
876 rand * $0.14 = $122.64
