# Dolphin1878

#### Introduction

Dolphin1878 is a dataset comprising 1878 English mathematical problems collected from both algebra.com and Yahoo websites. Each problem in the dataset contains 1-4 unknown variables. The dataset also includes 187 test samples for evaluation purposes.

#### Example

```
{
"id": "algebra.com.106087",
"index": 1001,
"text": "The difference of two integers is 9. Five times the smaller is 7 more than three times the larger. Find the numbers.",
"sources": [
"algebra.com.106087",
"algebra.com.173890",
"algebra.com.18136"
],
"equations": [
"unkn: x,y",
"equ: x-y=9",
"equ: 5*y=3*x+7"
],
"ans": "{26; 17}",
"ans_simple": [
26,
17
]
}
```