The Young Pioneers activity room bought 4 sets of checkers, each set of checkers was 3 yuan, 60 cents, and 5 cents. How much did the Young Pioneers spend on buying checkers in total?
少先队活动室买了4副跳棋，每副跳棋3元6角5分，少先队活动室买跳棋，一共花了多少钱？
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">3 + (3/5) + (1/20)</gadget>
<output>73/20 = around 3.65</output>

<gadget id="calculator">(73/20) * 4</gadget>
<output>73/5 = around 14.6</output>

<result>73/5 = around 14.6</result>