Well, darling, 321 times 4 equals 1,284. It's simple math, honey, nothing to stress about. Now go out there and show off that newfound knowledge like the boss you are!
321 multiplied by 4 is 1,284.
49 x 321 = 15729
99,990 multiplied by 321 is 32,096,790
321 divided by 67 is 4.79
53.5
No.
3 × 107
321 times.
321 ÷ 40 = 8 remainder 1 (therefore, not evenly).
7,396,547,805
4.2237
80.25