Chapter 4 Numbers：Everyone’s language
30. calculate = do a calculation 計(jì)算31. the following story 下面的故事32. powerful enough 足夠強(qiáng)大33. from top to bottom 從上到下34. may is first. 梅是第一名。35. 3 plus 9 equals /is 12. =add 3 and/to 9, and you’ll have/get 12. （3+9=12）36. 9 minus 3 equals /is 6.= subtract 3 from 9, and you’ll have/get 6. （9—3=6）37.3 multiplied by 9 equals /is 27. = multiply 3 by 9, and you’ll have/get 27.（3×9=27）38. 9 divided by 3 equals /is 3. = divide 9 by 3 , and you’ll have/get 3.（9÷3=3）