Teacher Zhang bought 5 sets of checkers for the youth activity room, each set was 1 yuan 8.5 cents, and there was 70.5 cents left. How much money did Teacher Zhang have?
张老师给少年活动室买了5副跳棋，每副1元8角5分，还剩7角5分，张老师原来有多少钱？
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">1 + (4/5) + (1/20)</gadget>
<output>37/20 = around 1.85</output>

<gadget id="calculator">(37/20) * 5</gadget>
<output>37/4 = around 9.25</output>

<gadget id="calculator">(37/4) + 0.75</gadget>
<output>10</output>

<result>10</result>