An engineering team builds 315 kilometers of roads every day, and builds roads for 17 days in one month. How many kilometers of roads does the engineering team build in one month?
某工程队每天修路315千米，在一个月内共修路17天，求这个工程队在这一个月内共修路多少千米？
<gadget id="calculator">315 * 17</gadget>
<output>5_355</output>

<result>5_355</result>