count method
Implementation
num count(num value, List<ConversionNode<T>> path) {
num result = value;
for (int i = 0; i < path.length - 1; i++) {
result = (result - path[i].coefficientSum) *
path[i + 1].coefficientProduct /
path[i].coefficientProduct +
path[i + 1].coefficientSum;
}
return result;
}