math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Yuki buy 7 bags of pear . 
sentence 2:  Each bag of pear contains 3 pear.
<equate> (23 / 7, 3)
Yuki buy 7 bags of pear . 
 Each bag of pear contains 3 pear.