This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.
Q: Passage: The census of 2000 showed there were 137,893 people, 58,110 households, and 31,321 families residing in the city of Eugene. The population density was 3,404.8 people per square mile (1,314.5/km). There were 61,444 housing units at an average density of 1,516.4 per square mile (585.5/km). The racial makeup of the city was 88.15% White, down from 99.5% in 1950, 3.57% Asian, 1.25% Black or African American, 0.93% Native American, 0.21% Pacific Islander, 2.18% from other races, and 3.72% from two or more races. 4.96% of the population were Hispanic or Latino of any race.
Question: How many more people are there than housing units?
A:
number