[{"id": "vcwpwv", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\dfrac{21}{68}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "72kc3r", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\dfrac{105}{340}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "csdwqr", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\dfrac{22}{37}", "is_multiline": true}], "text_styles": [], "block_styles": []}] \dfrac{7}{20}\cdot\dfrac{15}{17}