按指定汇率换算 / commerce.currency_convert

使用场景 / Purpose

Commerce: currency convert. 本技能对提供的参数执行计算，输入输出契约如下。文档例子来自已实现函数的固定验收样例；网页本身不执行代码。

输入字段 / Parameters

字段	类型	要求	约束与说明
`amount`	"string"	必填 Required	`{"minLength": 1, "maxLength": 32}`
`rate`	"string"	必填 Required	`{"minLength": 1, "maxLength": 32}`

输入例子 / Example input

{
  "amount": "100.00",
  "rate": "7.25"
}

预期输出 / Expected output

"725.00"

完整输入 JSON Schema

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "string",
      "minLength": 1,
      "maxLength": 32
    },
    "rate": {
      "type": "string",
      "minLength": 1,
      "maxLength": 32
    }
  },
  "required": [
    "amount",
    "rate"
  ],
  "additionalProperties": false,
  "maxProperties": 1000
}

完整输出 JSON Schema

{
  "type": "string",
  "minLength": 0,
  "maxLength": 128000
}