A skipping rope is 2 meters long and each handle is 15 cm long. How long is the rope in cm?
一根跳绳全长2米，每个手柄长15厘米，绳长多少厘米？
<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">15 * 2</gadget>
<output>30</output>

<gadget id="calculator">200 + 30</gadget>
<output>230</output>

<result>230</result>