The school spring outing needs to rent 17 boats, and 5 boats have been rented for a total of 650 yuan. How much more do I need to spend?
学校春游要租17只游船，已租了5只，共用去650元．还需要用去多少元？
<gadget id="calculator">650 / 5</gadget>
<output>130</output>

<gadget id="calculator">17 - 5</gadget>
<output>12</output>

<gadget id="calculator">130 * 12</gadget>
<output>1_560</output>

<result>1_560</result>