multiplicand string

例句：

1. 1.The cost of the new product is multiplicand by 3.
   新产品的成本是原来的三倍。
2. 2. The company's profits are multiplicand by 5.
   公司的利润率是原来的五倍。
3. 3. The population growth rate is multiplicand by 2.
   人口增长率是原来的两倍。